Before glee there has been other televisão series that have incorperated música into their stories. Some have used cover versions of popular songs while others have original songs written for their series.
Kids Incorparated(Syndicated/Disney Channel 1984-1994) This series is signifigant for having Jennifer amor Hewitt and Fergie(using her real name of Stacey Ferguson here)as part of the cast.
This show revolved around rock band that performed at a theatre called The Palace. Covers versions of popular songs from the 80s were performed por the cast.
Rags To Riches(NBC 1987-1988)This series was about a millionaire who adopts a group of orphans.
Because it was set during the 1960s cover versions of popular songs from the period were performed por the cast.
Cop Rock(ABC 1990) This infamously bad series that tried to combine gritty police drama with musical moments. To say that this show was cancelled four months after it's premeire speaks volumes about it's quality. At least the cast could sing.