Entourage S05E01 End Song Music

Music in episode 1 of season 5 (or 55 counting from first season) called Fantasy Island:

Duffy - Mercy (Remix featuring The Game)
Vince and Turtle in Mexico.

Masta Ace - The B-Side
Drama goes to the photo shoot.

Lisa D'Amato - Can't Touch It
Vince and Turtle ride wave-runners.

Eve - Here I Am
Vince and Turtle head back out on wave-runners.

E*Vax - Dead Wrong
Ari and E talk on the phone.

Mark Morrison - Return of the Mac
The Vince and Turtle beach fiesta.

Nelly - The Bay
The boys drive in Beverly Hills.

E.S.G - UFO
Drama and Turtle smash Carl Ertz's car.

Love - 7 and 7 Is
End credits

Source