I want to end my piece with the following orchestral harp glissando/arpeggio (not sure which term best applies), starting with Ab2 on the fourth beat, using only the first and fifth note of each octave it travels through (Ab2-Eb3-Ab3-Eb4-Ab4-Eb5-etc.) until the final Ab6. I want this final note to flow seamlessly int the thrum of the two bass staff notes (Ab2+Eb3).
My question is twofold: First, which is the correct way of notating this: a) using an arpeggio line/arrow, b) by writing the notes out in a 9:8 tuplet, or c) with a glissando line with some special marking to indicate which notes to use? (Method c) not pictured below.)
Second: Is this kind of glissando/arpeggio even possible to play on an orchestral harp at a tempo of 75 bpm? I’m still learning what can and cannot be done on this instrument.
Finally, if this is either impossible to play on a harp, or if it is possible but neither method pictured above is correct, how would I write this specific sort of glissando/arpeggio, keeping the same starting and ending notes and sticking only to firsts and fifths?