· The mother was a talented pianist who disappeared when she was young. For some reason, she kept her name anonymous → The protagonist completed the unfinished music for her mother ·
The protagonist has "synesthesia" - she hears music and sees colors → her performance is unique in its "sense of imagery"
· The male protagonist is a person who was once cured by her "wooden piano sound" (a neighbor many years ago) → Two-way redemption
· The substitute finally confessed because she heard the "truth" in the protagonist's music
