; and (B) includes the following: (i) A session musician. (ii) A back-up vocalist. (12) Non-subscription revenue The term non-subscription revenue means any revenue received from music streaming (including revenue received from advertising with respect to such music streaming), other than revenue from a subscription fee. (13) Offering The term offering means the provision of a stream by a service provider. (14) Qualifying stream The term qualifying stream means with respect to a master recording and a calendar month, the lesser of— (A) the number of streams of the master recording accrued by the eligible featured artist in that calendar month; and (B) 1,000,000 streams. (15) Register The term Register means the Register of Copyrights. (16) Service provider The term service provider means an entity, that— (A) provides a stream to an end user; (B) contracts with or has a direct relationship with an end user to provide such streams; and (C) controls which such streams are made available to such end users. (17) Stream The term stream — (A) means an interactive, encrypted digital transmission that embodies a master recording that allows a person to receive and listen to such master recording upon request at a time chosen by the person; (B) does not include a temporary copy of such master recording— (i) generated by a service provider in the course of providing the transmission; and (ii) used solely for the purpose of caching or buffering. (18) Subscription fee The term subscription fee means a monthly fee that a person pays to the service provider to access an offering of the service provider, whether or not the person pays the fee on a standalone basis or as part of a single transaction that includes such fee and another fee for one or more product or services having more than token value.