Robert Lamm

Bring pure rock energy to your electric bass! With the unforgettable classic "25 Or 6 To 4" by the legendary band Chicago, you secure one of the most dynamic and infectious basslines in rock history....

Bring pure rock energy to the concert stage with the legendary classic "25 Or 6 To 4" by rock icons Chicago! This electrifying arrangement for concert band, published by the renowned Hal Leonard, fait...

Bring pure rock energy to the stage with "25 or 6 to 4", the unforgettable classic hit by the legendary band Chicago! This thrilling concert band arrangement, published by Editions Marc Reift, perfect...

Bring the unmistakable sound of legendary rock-jazz pioneers to your stage! With "Does Anybody Really Know What Time It Is" from the acclaimed debut album "Chicago Transit Authority" by the iconic ban...

Bring pure rock energy to the field and the street: With “25 Or 6 To 4”, you can add one of the most exciting and iconic classics from Chicago’s early years to your band's repertoire! Published by Hal...

One of the early hits from the rock band Chicago, this hard-hitting tune is always exciting to play! Powerfully scored here in the 6-horn format by Mike Tomaro.

One of the early hits from the rock band Chicago, this hard-hitting tune is always exciting to play! Powerfully scored here in the 6-horn format by Mike Tomaro.