Typically there would be a written agreement between the artist and the entity to which they are surrendering their rights. See the article linked below for an example.
The simple answer is "in writing." There's no strict format, so as long as both parties understand and agree to the contract, it's fine.
Intellectual property law defines intellectual property rights.
what is the importance of intellectual property rights?
Copyright, patents, rights in music, and performance rights are all aspects of intellectual property
National Intellectual Property Rights Coordination Center was created in 2008.
I market intellectual property is very expensive rights of a company.
What is the Intellectual Property Rights Law. Discuss its relevance to liberalization and Globalization?
Intellectual property rights is the legal right to property owned by a content creator, and often protected through the use of a trademark or copyright. This content is the creator's intellectual property.
Intellectual property is in the Constitution itself, in Article I, section 8, clause 8.
Carlos Correa has written: 'Trade Related Aspects of Intellectual Property Rights' -- subject(s): Intellectual property (International law), Foreign trade regulation, Agreement on Trade-Related Aspects of Intellectual Property Rights
property, usually intellectual property.
In ordinary usuage, "forfeit" means to relinquish your rights, as in: "I choose to forfeit my rights to the property that I own".
Rhapsody works with the performing rights societies to ensure songwriters and artists are appropriately compensated for use of their intellectual property.