Conversation so far:
What happened during motown major hit years?
Following their signing to Motown's Gordy imprint in 1962, the Vandellas struck gold with their second release, the first composition and production from the famed writing team.
What happened after that?
It became the Vandellas' first Top 40 recording, reaching number twenty-nine on the Billboard Hot 100 and peaking at number six on the R&B chart.
Can you tell me how long did it stay on the charts?
CANNOTANSWER.
What were some of their major hits?
Their second hit, "Heat Wave", became a phenomenal record for the group.
Were they popular among a lot of people?
It became their first million-seller and eventually got the group their only Grammy Award nomination for Grammy Award for Best R&B Performance.
.
What other things took place after that?
The group's success continued with their second Top Ten single and third Top 40 single, "Quicksand", which was another composition with Holland-Dozier-Holland.
Did they go on to continue to be successful?
and reached number eight pop in the late fall of 1963.
Any other important aspects regarding their major hit years?
Around that time, Annette, who was pregnant with her first child and set to get married, chose to leave her singing career behind by 1964.

Question: Did the group grow apart after she left?
Self-contained rewrite: Did Martha and the Vandellas grow apart after Annette left to get married and have a child?