From the ASCAP websitequote) 12. Aren't musicians, entertainers and DJ's responsible for obtaining permission for music they perform? Some people mistakenly assume that musicians and entertainers must obtain licenses to perform copyrighted music or that businesses where music is performed can shift their responsibility to musicians or entertainers. The law says all who participate in, or are responsible for, performances of music are legally responsible. Since it is the business owner who obtains the ultimate benefit from the performance, it is the business owner who obtains the license. Music license fees are one of the many costs of doing business. (unquote) The venue is almost always responsible for compliance. Playing for a wedding in a church is a little different: Christian music is usually covered by CCLI instead of ASCAP. Secular music played in church (like for a wedding) is not covered by CCLI but by ASCAP, and ASCAP has "place of worship" exemptions which seem to imply that they just don't care. I don't fully understand all of this mumbo-jumbo, but it seems to me that the musicians don't really need to worry about copyright too much as long as we're not selling recordings. As for me, I'm going to be studying the ASCAP site if for no other reason than I don't like to be in the dark about anything.