Having trouble telling the high-profile Marsalis brothers Wynton, 31, and Branford, 32 apart? Use this quick checklist to make sure you're watching who you think you are. But be careful: There are four more brothers (Ellis III, Delfeayo, Mboya, and Jason) and their father, Ellis, 58, who's a jazz pianist and what else? a music teacher.
Wynton: Trumpet. Branford: Sax.
Wynton: The serious one. Branford: The loose one.
NUMBER OF GRAMMYS WON
Wynton: Eight. Branford: Zero.
Wynton: ''Pure jazz'' advocate, often criticized as stuffy. Branford: Scandalized the jazz world in 1985 by playing with Sting.
Wynton: ''Someone cursing over a beat.'' Branford: Played on Public Enemy's ''Fight the Power.''
MOST VISIBLE GIG
Wynton: Artistic director of classical jazz at Lincoln Center. Branford: Musical director of The Tonight Show With Jay Leno.
Wynton: Dapper Armani. Branford: Natty, but recently wore a bikini on Leno's show.