Conversation so far:
when did Glenn Frey begin Glenn Frey's solo career?
After the Eagles disbanded, Frey achieved solo success in the 1980s.
did he collaborate with anyone?
In 1984, he recorded in collaboration with Harold Faltermeyer.
what was the song?
worldwide hit, "The Heat Is On".

Question: what other songs did he do during his solo career?
Self-contained rewrite: In addition to "The Heat Is On", what other songs did Glenn Frey do during his solo career?