so prolific for so long
Aretha franklin put out 33 albums in 30 years from 61' to 91'
Diana Ross 36 albums in 29 years from 62' to 91' (including supremes work)
Ray Charles 53 albums in 33 years from 57' to 90'
Stevie Wonder 27 albums in 29 years from 62' to 91'
Smokey Robinson 31 albums in 20 years from 61' to 81' (including miracles work)
Prince 21 albums in 20 years from 78' to 98' (plus all the other projects he did like The Time etc)
these are some examples I chose (*note I used a cut off date before musical output slowed.)
I don't have much else to add except

Aretha franklin put out 33 albums in 30 years from 61' to 91'
Diana Ross 36 albums in 29 years from 62' to 91' (including supremes work)
Ray Charles 53 albums in 33 years from 57' to 90'
Stevie Wonder 27 albums in 29 years from 62' to 91'
Smokey Robinson 31 albums in 20 years from 61' to 81' (including miracles work)
Prince 21 albums in 20 years from 78' to 98' (plus all the other projects he did like The Time etc)
these are some examples I chose (*note I used a cut off date before musical output slowed.)
I don't have much else to add except