"In a Mellow Tone" is a classic jazz tune composed by Duke Ellington, with lyrics by Milt Gabler. It is also sometimes referred to as "In a Mellotone." The song was first recorded by Duke Ellington and His Famous Orchestra on November 3, 1939, and it has since become a popular and enduring jazz standard.

Available in the key of Ab (the standard key). 

Tempo: 133 bpm
Duration: 4:00
The arrangement:
Intro - Straight in with lead in melody notes
Head
2 X Choruses for Solos
Head
Ending - sudden - no tag