Mainstream music is no longer composed of emotion, but instead themes of money, sex, and fame. In this way, more controversial topics are ignored in favor of safer topics that the public tends to agree on. Also, people who listen to it usually would call a 2 year old song "very old", though bands like Led Zeppelin still rock anyone's brains out with their songs from the seventees. Photos and rumors fly while the music is ignored.
Mainstream media, like mainstream music, boasts high revenues while having a limited spectrum of content. Not all musical groups or soloists begin like this.
Mainstream definition, the principal or dominant course, tendency, or trend: the mainstream of American culture. Pop and rap performers are notorious for their run-ins with police, their latest diet, or their most recent affair. See more. Mainstream music songs usually stay on the top-lists for a couple of months or maybe a year, and then they're gone. Both are consumer driven, meaning that they are run on a profit-base and are only offering what they think they can sell the most.