* * This function is responsible for creating an Artist */.

* * This function is responsible for creating a track */.

* * This function is responsible for creating a Artist Track relation ship */.

create a user.

delete user.

* * This function is responsible for getting single artist by name */.

* * This function is responsible for getting Artists by name */.

* * This function is responsible for getting single track by isrc */.

* * This function is responsible for getting GetTrackArtists by ids */.

* * This function is responsible for getting GetTrack by ids */.

get user by id.

get users.

update user.