With hits including ABC and I'll Be There, they went on to sell millions of albums. Michael had a hugely successful solo career. Jermaine also enjoyed solo success.
Jermaine said: "I am returning to Los Angeles this week and we are going into the studio. We are going to put some quality back into music."
Jermaine also expressed his confidence that Michael would be acquitted of the child-abuse charges dominating headlines on both sides of the Atlantic. He said: "The thought that Michael will be found guilty does not even enter my head. I can't discuss the case, but there will be enough said on the day that will prove his innocence.
"The entire Jackson family are all behind Michael."