Hi Everyone,

This should be an easy one, yet I can't seem to figure it out: How do I remove double notes from a chord?

I'm starting with this:

(setf chords '(gs3gs4ds5ds5 ab3ab3ab3gs4))

And I would like the output to be this:

'(gs3gs4ds5 ab3gs4)

 

Thanks!

(chord-pitch-unique chords)
=> (gs3gs4ds5 ab3gs4)

hth!