Develop a mission statement that focuses on the public good. Music for financially troubled youths or abuse victims are good examples. Focus on something that could distinguish your music as a non-profit or a charity.
Apply for non-profit status through your state’s Department of State. Qualifying for a 501c(3) non-profit status differs in each state. http://www.yourstate.gove will provide you with the details for application.
Apply for a bank account using the federal ID number issued to you as a non-profit.
Research federal and state grants that are applicable to your core mission statement. Apply for grants. In some cases, it might be beneficial to seek advice from a grant writer.
Research community funds and loans that may be available based on demographic and community organizations. There are also philanthropic associations available to help in some cases.