Top Psychedelic Soul Albums of all time

Hitsville USA, Vol. 2: The Motown Singles Collection 1972-1992
This is a terrific set of some of the excellent tracks from Motown from 1972 to 1992.

The Essential Sly & the Family Stone
Recording Date: 1967 - 1975
This 2-CD compilation features 35 #1 hits and their finally remastered for pure and crisp, so you can hear the drums, bass, and keyboards more clearly.

Prince - Sign 'O' the Times
1987's Sign 'O' the Times is Prince's absolute best CD. The two disc set captures the good songwriting of his entire career. While the only real hit of the record was "U Got the Look," it is filled with classic songs, comprising  "The Ballad of Dorothy Parker," "If I Was Your Girlfriend," "I Could Never Take the Place of Your Man," and two of his greatest ballads, "Forever in my Life" and "Adore."