Brass Quintet Horn,Trombone,Trumpet,Tuba - Level 4 - Digital Download SKU: A0.1363005 By Chicago. By Robert Lamm. Arranged by Chris Magee. Rock. 17 pages. Dubba C Music #947389. Published by Dubba C Music (A0.1363005). Recorded in 1970, 25 or 6 to 4 is one of Chicago's first big hits, and this arrangement is the first movement of the Chigago Suite for brass quintet. 25 or 6 to 4 is an exciting arrangement that will have your audience asking for more! This arrangement can be performed as a stand-alone piece, or as a part of the three-movement suite, and it includes an optional part for drum set. Be sure to look for the other two movements: Does Anybody Really Know What Time It Is? and Make Me Smile..