This piece was written during the 21st to 22nd of February 2022.

Throughout the whole piece, it has a Basic 12-tone Serial:

A - C# - G# - E - Eb - C - B, F# - D - Bb - F - G

This Serial is divided into two basic parts (7+5), each part can be used independently.

And the Serial notes are often used as a root note of the chords in many places of the piece, for example in Rehearsal Number A, C, G, I and the Coda section.