In 2021, Tanzil served as the score coordinator for the animated supernatural black comedy film
The Addams Family 2. The same year, she scored the Chinese comedy mystery feature film
Be Somebody. Tanzil composed the score for the 2023 romantic comedy film,
Asian Persuasion. The film is directed by Grammy Award-winning
Jhett Tolentino, starring
Dante Basco, Paolo Montalban and
KC Concepcion, and was produced by Jhett Tolentino Productions. In 2024, she signed with
Deutsche Grammophon, becoming the first Asian female composer to join the label, and released her first DG single,
Luna, on the same day. In July, she released her second single with Deutsche Grammophon, Be My Home, a composition for piano solo. In September 2025, she released her debut album,
The First of Everything, which was recorded in Berlin with the
Deutsches Symphonie-Orchester Berlin and conducted by
Anna Handler. Released under DG, she plays piano, celesta, bells and snare drum herself, with
Sophie Kauer playing solo cello. The album features 12 tracks, each inspired by significant personal moments in Tanzil's life, ranging from cinematic orchestral arrangements to minimalistic pieces. The first single,
Remembering, was followed by
Pink Sakura and then
Reverie. As a producer, Tanzil became the first Indonesian music producer to collaborate with Grammy-winning singer
Laufey. That year, Tanzil produced the song
Guratan Tangan, featured on Indonesian singer
Feby Putri's album
Hitam Putih. Tanzil also launched an online series on social media titled
Hum Me a Melody in which she transformed street-hummed motifs into symphonic arrangements. ==Accolades and recognitions==