Conversation so far:
What was the name of G-Unit's debut album?
In November 2003, the group G-Unit released their debut studio album, Beg for Mercy.
What month/year was G-Unit's debut album Beg for Mercy released?
In November 2003, the group G-Unit released their debut studio album, Beg for Mercy.
Did G-Unit release a second album shortly after their debut album Beg for Mercy?
G-Unit's Beg for Mercy served as a platform for members Lloyd Banks, Young Buck and Tony Yayo to release their respective solo debut albums.
Did G-Unit go on tour after their debut?
How long was G-Unit's Tony Yayo sentenced for?
Tony Yayo spent all of 2003 in prison, was paroled on January 8, 2004. The next day, he was arrested for possessing a forged passport, served time until February 24, 2004.

Question: What other success did they have during this time period?
Self-contained rewrite: What other success did G-Unit have during their debut besides members Lloyd Banks, Young Buck and Tony Yayo releasing their respective solo debut albums?