The Silver Scroll Award acknowledges excellence in songwriting and is the only peer-voted music award in New Zealand.
Other winners on the night included Maioha Award winners Ria Hall, Tiki Taane and Te Ori Paki for Hall's waiata Te Ahi Kai Pō.
Michael Norris won the SOUNZ Contemporary Award (for the second time), David Long won Best Original Music in a Feature Film Award for his dramatic score for McLaren, and The Phoenix Foundation's Conrad Wedde, Lukasz Buda, and Samuel Scott won Best Original Music in a Series Award for their work on Australian TV series Cleverman.
Prime Minister Jacinda Ardern also made an appearance at the awards ceremony to honour this year's New Zealand Music Hall of Fame inductee, Jenny Morris.
This year's ceremony was hosted by Anika Moa, and Bic Runga was the music director who selected a host of Kiwi talent to perform reimagined versions of the nominated songs.
Performers included Teeks, Ladyhawke, Lontalius, Finn Andrews, Aaradhna and more.
As this year's winner, Marlon Williams will receive $5000 and join an impressive list of previous winners which includes Lorde, Unknown Mortal Orchestra, Tami Neilson, Brooke Fraser, Don McGlashan, Scribe, Dave Dobbyn and music director Bic Runga herself.
All the winners from the 2018 Silver Scrolls:
APRA Silver Scroll:
Marlon Williams – Nobody Gets What They Want Anymore
APRA Maioha Award:
Ria Hall, Tiki Taane, Te Ori Paki – Te Ahi Kai Pō
SOUNZ Contemporary Award:
Michael Norris – Sygyt
APRA Best Original Music in a Series:
Conrad Wedde, Lukasz Buda, Samuel Scott – Cleverman
APRA Best Original Music in a Feature Film:
David Long – McLaren
Hall of Fame:
Jenny Morris