Not in general, but some groups do have a cult following if they fall into a particular niche like the Sex Pistols, etc.
It is impossible to answer, they do a lot of stuff
Cult 11 - 2010 was released on: USA: May 2010 (Park City Film Music Festival)
It's a cover version of the Cult's She Sell's Sanctuary.
No. At the beginning of the Thriller music video he clearly states that he is not. Even after that he did not join one.
No. 30 Seconds to Mars is not a christian band. They have various religious overtones and references in their music, but there music is not christian. Not at all.
looking glass little river band Lisa Lisa and cult jam
If you're talking gothic as in the Goth / Gothic music scene then no. It's no different than any other scene (punk, metal, straightedge, hip-hop, electronic, folk). It's a group of like minded people that like a certain kind of music and dress a certain way and have certain subcultural traditions. Goths are no more a part of a cult than kids listening to Hannah Montana are part of a cult.
The Cult of Cult - 2013 was released on: USA: 19 February 2013 (internet)
Their first major album was released in 1972 and was named "Blue Oyster Cult" after the band. However, there were earlier releases from when the band first got started, but no official dates were recorded.
http://www.lastfm.fr/music/Blonde+Acid+Cult/_/Mad+For+You
The Cult was created in 1983.
A cult is a small group of people who follow their own religious beliefs. The leader of the cult is the leader who makes and enforces the rules of the cult.