Matthew Koma is responsible for the birth of more than Hilary Duff‘s baby, because he also helped launched Zedd‘s career and is now ripping the famed DJ on the anniversary of their biggest hit.

Matthew Koma Calls Zedd 'Toxic' and Claims He Took False Credit for 'Spectrum' and 'Clarity' Lyrics Koma and Zedd worked together on a number of hits throughout the years. By.

Singer Matthew Koma is calling out Zedd, and he isn’t holding back. Koma, 32, previously worked with the DJ, 29, on several hit songs such as “Clarity” and “Spectrum,” but the success ...

Matthew Koma, who is engaged to ... (I wrote every word and melody) with no mention of my name, not being paid for singing on ‘Spectrum’ until 2 or 3 years of fighting for a fee, ...

Matthew Koma worked with Zedd on his hit singles “Spectrum” and “Clarity.” Today, seven years since the release of “Spectrum,” Koma decided to speak out about working with the DJ/producer.

Who is Hilary Duff’s husband Matthew Bair—better known by his stage name Matthew Koma—has been by her side for years. Here, all you need to know.

Who is Hilary Duff’s husband Matthew Bair—better known by his stage name Matthew Koma—has been by her side for years. Here, all you need to know.

Congrats are in order for Hilary Duff and Matthew Koma, who just announced their engagement on Instagram. ... "Spectrum" and "Find You." View full post on Youtube. He's an EDM star.