Which soul artist/bands do you feel had a brilliant streak of album runs? Here's a few that comes to mind.

Al Green: Al Green Gets Next To You - Explore Your Mind

Stevie Wonder: Music Of My Mind - Songs In The Key Of Life

Aretha Franklin: I Never Loved A Man The Way I Love You - Young Gifted and Black

Gil Scott Heron: Pieces Of A Man - Bridges

Sly and The Family Stone: Dance To The Music - Fresh

What about you? I know there's many more but those were the names who came to mind...