I'm in the very early stages of reading music. There are great resources on the internet but I'm struggling to find a suitable explanation for a 'Time Signature' that I completely understand. I think it's the bottom number I'm having trouble with. The tutorial I'm doing shows 4 quarter notes per bar, 4/4 time.
As above, it then goes on to say that the beats are at 60bpm (the clicks it refers to is a metronome mp3 with the tutorial) - that's fine but what is it that dictates how many beats per minute each bar should be played at? Why 60bpm and not 120bpm or even 93bpm?? Basically, what is it that tells me that this 'piece' (however simple), should be played at 60bpm?