These graphic illustrations of assorted brass & reed instruments includes Trumpet, Flute, Alto Sax, Trombone, Clarinet, French Horn, Tenor Sax, Euphonium & Tuba display the entire range of each horn. Each poster depicts a complete chromatic scale with fingering for each note including every alternate enharmonic substitution. Every poster includes a "Circle Of Fifths" diagram, essential for learning how accidentals determine the key signature. Learning the keys is an imperative element of music.