Maclaine Diemer

Maclaine Diemer is an American multimedia music composer. He worked on sound design and composing music for the Rock Band game series, and massively multiplayer online game (MMO) Guild Wars 2.

Early life Diemer started playing guitar when he was 12. He enjoyed listening to the classic rock music genre with his parents, namely the Beatles, Jimi Hendrix and Led Zeppelin. During his older years, Diemer enjoyed listening to Van Halen and The Beach Boys.

Diemer studied music at the Berklee College of Music in Boston, and graduated in 2003.

Career In June 2008, Diemer started working as a sound designer and composer at Harmonix Music Systems for 2 years. During this time, he worked on sound design and composing music for many of Harmonix's games. He worked on The Beatles: Rock Band, Rock Band 2, and Rock Band 3. Diemer left Harmonix in July 2010 to work at ArenaNet. During his time as lead composer, he worked on soundtracks for Guild Wars 2's Living World Season 1, Living World Season 2, Guild Wars 2: Heart Of Thorns, Living World Season 3, Guild Wars 2: Path Of Fire, and Living World Season 4.

In April 2019, Diemer stepped down as lead composer at ArenaNet to pursue other projects. However, he is still writing music for Guild Wars 2.

In July 2022, Diemer joined Cyan Worlds as the composer for the adventure game Firmament.

Musical style and influences Diemer's influences include John Williams in the Star Wars franchise, Jerry Goldsmith in the Star Trek franchise, Howard Shore in Lord of the Rings, and Bernard Herman.

While working on Living World Season 2 for Guild Wars 2, Diemer wanted to record some of the soundtracks in a live orchestra. He collaborated with Dynamedion to record the music in Berlin, Budapest, and Seattle. The music for the announcement trailer for Guild Wars 2: Heart of Thorns was also composed in a live orchestra.

Ludography Rock Band 2 (2008) Guild Wars 2: End of Dragons (2022) Firmament (2023) Guild Wars 2: Secrets of the Obscure (2023) Guild Wars 2: Janthir Wilds (2024) Wildgate (2025)

Awards