payola

Payment of a party, especially a disc jockey or radio station, for the promotion of a product or service, such as a commercial musical recording, without making the legally required disclosure of sponsorship.

The money used to make such payment.

A bribe given in exchange for a favor, such as one given in exchange for the promotion of goods or services (originally one given to a disk jockey to play a record).

a bribe given to a disc jockey to induce him to promote a particular record