Conversation so far:
What kind of personnel changes were happening?
Motown struggled to find good material for many of their acts after the exit of Motown contributor and Reeves' mentor William "Mickey" Stevenson.
Did they still have any hit music?
"Love Bug Leave My Heart Alone" (US #25; R&B #14) and "Honey Chile" (US #11; UK #30; R&B #5.

Question: What else happened in their career?
Self-contained rewrite: Aside from the personnel changes, what else happened to Martha and the Vandellas's career?