11
votes
11answers
2k views

Math PI represented musically

I'm creating a program to output the values of pi as sound. I've seen a few videos and some other representations, and want to try to make my own for fun, except i'm unsure how to proceed. There are ...
6
votes
1answer
200 views

Is the bass note of a chord the only indicative of its [the chord's] inversion?

If a C major chord is voiced as (from low to high) E-G-C, it is said to be in first inversion , if it is voiced as G-C-E, it is the second inversion. But the resources I have read do not specify if a ...
9
votes
2answers
111 views

How do instruments with discrete tuning play chords alongside those with continuous tuning?

I was taught that when playing a triad, the third should be played sharper and the fifth flatter than the notes would sound on an instrument tuned to equal temperament, such as the piano. However this ...
6
votes
3answers
131 views

Question about playing chords

I have read that: In elementary piano, the left hand (lower notes) typically plays chords, while the right hand plays the melody. If you're playing pop or rock and singing, you might want to play ...
9
votes
4answers
572 views

What is a secondary dominant chord?

What is a secondary dominant chord? What's the theory behind them? How are they used in composition?
1
vote
2answers
107 views

What is this Chord Notation?

I know how to read Roman Numerals for chord progressions. But I've seen something recently I don't understand. I've attached an image below. What are those sub/post-strip's?
5
votes
1answer
141 views

In jazz, what is a chord family?

In the jazz context, what is a chord family? How is the concept used in improvisation, chord substitution, and re-harmonization? Which are the families and their members? I've seen chords divided in ...
9
votes
2answers
1k views

What is a “Chord of Nature”?

Could someone explain in simple terms, and preferably with an example or two what "chord of nature" means. I tried reading about this in Wikipedia, but I cannot see how this is different from just a ...
1
vote
2answers
147 views

What is the difference between minor and major chords?

Can you please simply explain the definitions? And then explain it in terms of triad, root notes, and inversions.
7
votes
2answers
136 views

Do Neapolitan chords exist in modes with a minor second?

In relation to a question I asked earlier—What is a Neapolitan 6th chord—I have a follow up question. A Neapolitan chord is pretty much a Major chord built on the lowered second scale ...
1
vote
2answers
129 views

Chord alteration references? (“inside” vs. “outside”)

Originally, I asked the question immediately below and it created some confusion. My revision appears below the original. # What books or references do you recommend which teach about altered chords ...
2
votes
4answers
415 views

Why is the basis of Jazz harmony tetrads (7th chords)?

Triads are the basic building blocks of classic harmony, but in Jazz the basic building blocks of harmony are tetrads (7th chords). Why does Jazz use 7th chords as the basis of their harmony instead ...
4
votes
6answers
267 views

What is this common chord pattern, if that's the right term?

I really commonly find that contemporary songs use an arpeggiated up-and-down progression over notes that are in this shape, here are some examples: C1, G1, C2 C#1, G#, C#2 E1, B, E2 A1, E, A2 Is ...
11
votes
1answer
433 views

What is a Neapolitan 6th?

In studying music theory I have hear the term Neapolitan 6th a quite few times, but I don't know what it is. What is a Neapolitan 6th and how is it used in a composition?
10
votes
4answers
336 views

Guide-lines for creating a simple chord-progression?

I am working on a computer program that generates a simple melody, based on a simple chord progression of four chords taken from the 7 triads of the C Major scale. The program is also supposed to ...
2
votes
4answers
148 views

Progressing from a C Minor 9th

If I am playing a C Minor 9th chord what are the next chords up that work with a C Minor 9th? Am I able to follow the C Minor scale and create a 9th from each note in the scale? A bit confused on ...
6
votes
1answer
438 views

What are 5 and 6 note chords called?

I only know how to play 2 different types of chords which is a Triad (3 notes) and a 7th (4 notes). But, I often see chords with 5 or 6 notes being used. What are these types of chords called? An ...
7
votes
5answers
201 views

Chords and Intervals - Unison

Just trying to wrap my head around intervals but I'm confused by Unison. If I am playing a chord on a piano, how do you play a Unison chord if you can't press the same key twice at the same time? ...
1
vote
2answers
127 views

What are the notes in a 11th chord?

Does a chord like C11 contain (apart from 1st, 3rd, 5th) the 7th and the 9th? Or I can just play the 3rd, 5th and the 11th and the root? I have the same question with chords like C9 and C13.
2
votes
2answers
212 views

Common patterns in music

When I asked my question on why do C7 chords contain a Bb and not a B, a user gave an example, how tonic chords transforms into a IV chord thru a dominant chord (C - C7 - F). I found this transition ...
2
votes
1answer
333 views

Which scales to use on complex chord progressions?

According to this article, it is possible to make a chord progression by just keeping one tone that remains constant in all chords of the progression. Also, it gives these examples: Cadd9 F6 D G ...
2
votes
1answer
76 views

Question about key modulation in 'Magdalena' by Johannes Brahms

I am analyzing the chords in 'Magdalena' by Johannes Brahms, and am having trouble determining whether the key modulates from g minor. The piece is in strophic form, and repeats measures 1-8 three ...
5
votes
4answers
259 views

What chord is this and when is it the dominant?

For a song I've written I do a chromatic descending climb with the bass note in a Cm chord and end up with my fingers like this: First of all I'd like to know what chord this is, my guess is an A ...
9
votes
5answers
415 views

Looking for letter-based chord identification algorithms, and related literature

I'm searching for chord recognition algorithms that will assign a chord name(s) to a group of notes, and related literature. Sometimes known as reverse chord identification, where you feed notes to ...
19
votes
2answers
624 views

Why does the C7 chord on guitar omit the G note (5th) in open position?

0 C7 C7 ( 1-3-5-flat7) is suppose to contain a G as its 5th right? So how does a guitar get away with this in open position?
7
votes
3answers
5k views

How to find out the Major and Minor chords of a scale?

How do I know which notes of a scale may be a Major/Minor chord? Take this question as an example. The OP states that the C major scale contains the following chords: C, Dm, Em, F, G, Am, Bdim How ...
2
votes
3answers
696 views

Building Lydian chords

I am learning about chords and their relationships to major scale modes in jazz. As I understand it, each mode allows a different chord to be built by choosing the 1st, 3rd, 5th, 7th of the scale. I ...
5
votes
1answer
118 views

Is this a modal song?

I just want to check, is this song, Magic Power by Triumph, an example of D Mixolydian (major, dropped 7th)? ...
0
votes
3answers
150 views

Song structures and tonality

It has to be prety basic but I never understood how it is conventionally explained. Usually a pop song has a fixed key like in: Cmajor: Verse: C-Am-F-G Bridge: Am-G, Am-G Chorus: F-G-Am How is ...
7
votes
3answers
408 views

Does a chord need to include its root?

While I understand that it is very important to include the root note in a chord, is it required? Let's say I'm in C Major, and I want to play a I chord. Do I need to include C in order for it to be ...
6
votes
1answer
843 views

What are the rules for using diminished chords in part writing?

If I use diminished chords such as ii diminished chord from the minor scale then do I according to the rules for proper part writing use the first inversion of ii diminished. What is the reasoning ...
1
vote
2answers
180 views

Harmonizing melody exercise question with specific parameters

I'm reading the book Harmony for the computer musician and there's an exercise where you need to harmonize 3 notes of a melody in D major, parameters are: you must use the same note length as the ...
6
votes
4answers
1k views

Does the bass note in a “slash” chord really have an associated interval?

I have a question about "slash" chords. Look at the chord E/G: E G♯ B G 1 3 5 ? G is the minor 3rd interval (♭3) in the key of E. However, I would have thought by definition chords cannot ...
16
votes
3answers
962 views

Why are thirds used to construct chords?

I am (slowly) learning music theory on the guitar. I've begun learning about scales and chords, and it seems that all chords are built using some combination of thirds. For example, a minor triad is ...
11
votes
5answers
6k views

When playing in a minor key, will the chords be minor as well?

I've been jumping into music theory myself and I've been stumbling on creating certain melodies and such. I've played guitar all my teenage life and not once have I ever sat down and said I'm going to ...
6
votes
2answers
280 views

The relationship between music theory and physical phenomena

The first unique overtones of a simple vibrating string form a major chord. Are there other simple physical structures that would generate other chord types?
20
votes
6answers
11k views

How to identify the root note of a chord

I struggle with chords on the staff because I'm not sure which note is the root note. Is it the top note with the rest of the notes falling below it? E.g., The top note is C, and bundled below it are ...
4
votes
3answers
424 views

Musical Harmony: When to use more than three chords

I understand that I, IV, and V chords in both major and minor keys are common chords that make up a good progression. I understand that those 3 chords cover all the notes diatonic to the key that we ...
11
votes
5answers
5k views

What is a 13th chord?

For example an F13. How do you find the 13th note?
5
votes
1answer
169 views

Sixth and Minor Seventh inversions conflicts

For example consider C6 [C-E-G-A] and Am7 [A-C-E-G] which share the same notes in different order. When we play [E-G-A-C] how is it called?(is this a inversion of C6 or Am7) Generally, how are these ...
6
votes
1answer
906 views

Franz Liszt Liebestraum No. 3 Bar 17 Roman Numeral Analysis

I'm going through Liszt's Liebestraum No. 3 in Ab M.... in bar 17, I don't know how to mark the A natural chord. It's either a #1 or the song has modulated to the natural minor, in which case it would ...
3
votes
4answers
1k views

Finding chords that sound like a single note

I cannot seem to find an algorithm to do this. Say I play an E (not a chord)... it sounds a certain way. If I make it into a chord an play an E Major chord it sounds completely different. What would ...
22
votes
7answers
24k views

What does it mean to write a song in a certain key?

I have been searching for a while to try to correctly understand this. What exactly does it mean if for example a song is written in C Major? Does it mean the song's notes cannot contain any sharps ...
15
votes
4answers
928 views

Why do these progressions sound good?

I have always wondered why these progressions sound so exiting. I don't really know how the I-IV-things work, so I'll just write the chords. An explanation of what's really going on would be much ...
1
vote
2answers
376 views

Notating Augmented Chords

When writing an Augmented chord, which inversion of the chord should I use? The problem came up while I was composing (piano). I came to an augmented chord and couldn't think of which version to use ...
11
votes
6answers
739 views

“slash” chords, e.g. B/F♯ - are these only for inversions, or can any note be the bass note?

I'm trying to work out whether it is technically correct to have a "slash" chord where the bass note is not one of the notes in the chord. I thought the main reason for slash chords is to show which ...
14
votes
4answers
5k views

Is it possible to find the correct chords from melody notes alone?

I'm caught up in this thought. My friend gave me just the melody notes of a song. Here it is, So, Here is the problem: "without having the chords supplied, there is no way of knowing what the chords ...
4
votes
4answers
743 views

Chord books and theory

I have some basic knowledge on chords but I was wondering what books on chords and theory were the best for expanding my musical knowledge? As in, intermediate to advanced level books ?
9
votes
3answers
2k views

What are the most common ways to “decorate” a melody?

Yes, I know, there are way too many possibilities and it depends on the style of the music... I would be happy with an incomplete list for beginners (like me). Here is what I have so far: ...
24
votes
9answers
5k views

Why are the white and black keys on the piano placed the way they are?

I am pretty convinced it is not just for historical reasons. I have found a mathematically-sound explanation of the twelve-tone musical scale, thanks to this question. Does anyone know a similar, ...