It depends what country you're in, and what country the work was created in.
In the US, works published in 1917 would enter the public domain, except for the fact that they're already there. Works published in 1978 or later by composers who died in 1941 would enter the public domain, except that that's impossible.
Yes, the original copyrights were accidently allowed to expire and it was in the public domain for years. However, the music copyrights were re-established and now NBC has exclusive rights to televise the film.
Yes. Copyright can expire and, when that happens, the work will enter the public domain.
Brentwood-Benson.
Most are administered by Amazement Music.
BMG is a collaboration of international music companies which focus on the management of music rights. BMG works with musicians, producers,songwriters, and other people from the music industry to manage their musical copyrights.
Frances Bean Cobain does.
No. That is infringing on the artist's copyrights.
2012
Yes, it is possible that they may expire. The United States copyright law governs that corporations will be able to protect their copyrights to content like video games for at least 75 years.
There are two separate things protected in a music file: the underlying work and the performance.
Whoever you got the license from; it should be spelled out in the agreement.
"A Family Affair" is licensed by Music Theatre International.