Perunggu is a vibrant Jakarta-based alt‑rock trio formed in early 2019 by Maul Ibrahim (guitar/vocals), Adam Adenan (bass/vocals), and Ildo Hasman (drums/vocals) �. They describe themselves as a "band rock pulang kantor" — an after-work rock group making music in their spare time �. perunggu.bandcamp.com +14 medcom.id +7 They debuted in March 2022 with their full‑length album Memorandum, a collection of 11 tracks blending nostalgic alternative‑room‑rock vibes and heartfelt lyrics that reflect themes of work, family, love, and personal growth �. Produced during the pandemic, the album features both raw energy (“Tarung Bebas,” “Biang Lara”) and intimate moments (“33x,” “Kalibata, 2012”) �. manual.co.id +2