Kevin Renick is a singer-songwriter from Missouri. His song Up in the Air appeared in the closing credits in the film of the same name
Renick is the unemployed fellow who had the courage to hand director Jason Reitman an unsolicited cassette tape of the song. which he wrote a couple years before the movie went into production here. Reitman listened to the tape, thought the song fit the movies theme of in-betweenness and included it over the end credits