Conversation so far:
What was Martha and the Vandellas's Bless You?
Bless You is a 1971 hit single by Motown girl group Martha and the Vandellas (credited as Martha Reeves & the Vandellas).
What did Bless You do for Martha and the Vandellas' career?
The single became Martha and the Vandella's last major hit. Over a year later, the group would disband, and Martha Reeves would pursue a solo career.

Question: What else is important about this time frame?
Self-contained rewrite: What else is important about this Martha and the Vandellas time frame release of Bless You?