(1) The activity you are doing when you realize that somewhere (away) great music is played and you go there (the one who 'beat travelled' and has found the music will often dance with all his travel gear with him). (2) Looking for the (music) beat. (3) Travel around the country/the world to find the greatest music (beats).
Man 1: "Yo man, where ya lookin' for?"
Man 2: "I'm lookin' for the music. I'm beat travelling!"