Simplify the following text for a Grade 4 native English-speaking person.
Original: However there remained a demand for Baccara 's music , particularly on the European television circuit , and by the middle of the decade both Mateos and Mendiola had formed their own versions of Baccara with new singing partners .
Simplified: By about 1981 , Baccara fell apart . Both Mateos and Mendiola then began work on music by themselves .