Euphonium main tuning slide trigger, which allows players more flexibility with intonation. The euphonium, like the tenor trombone, is pitched in concert B. For a valved brass instrument like the euphonium, this means that when no valves are in use the instrument will produce partials of the B harmonic series. It is generally orchestrated as a non-transposing instrument like the trombone, written at concert pitch in the bass clef with higher passages in the tenor clef. Treble clef euphonium parts transposing down a major ninth are included in much concert band music: in the British-style brass band tradition, euphonium music is
The Brass Are Comin' from the television special can be seen on the album's double-fold cover. Unlike the previous Warm album which featured much slower-paced songs leaning more toward a "Brazilian" sound, The Brass Are Comin' featured a western-theme with faster-paced songs. "Good Morning, Mr. Sunshine" became one of the most recognized Tijuana Brass songs from this album and was among the last Mexican-flavored songs recorded by the group . After completing this album and the subsequent television special, the group embarked on a European tour which marked the last public performances of the original TJB. The Brass Are Comin' The Brass Are Comin'