The odd couple joined Tv host Jimmy Kimmel at the Boardwalk 11 club and thrilled revellers with their renditions of each others' songs.
South Korean pop sensation Psy tacked the rapper's Who Am I (What's My Name?) while Snoop took on his pal's Gangnam Style.
Kimmel and Psy then showed off their clarinet skills as the trio crooned That's What Friends Are For.
The full skit appeared on Sunday night's (08Jun14) Jimmy Kimmel Live!