Britney Spears - Circus (song) [Line Distribution / Analysis]

the song that started Myah Jean! but she's not the only one who appears with Britney on the song. in this video I dissect the stems & acapellas to figure out who sings what and what is given lead vocal, main vocal & backing vocal treatment! all rights go to Britney Spears,RCA,Sony,Jive & Zomba!