Fritzen was born in Stockholm, Sweden to a Swedish mother, flutist Katarina Fritzén, and an American father, composer Steve Dobrogosz.

He started playing drums at a young age, and as he got older he also learned the piano, bass, guitar, flute and vocals.

[2] Fritzen's second album VIP (2009) features vocalist Laila Adele, guitarist Jay Soto, saxophone players Michael Lington and Greger Hillman.

His third album Diamonds (2010) features saxophone players Darren Rahn, Jessy J and Koh (aka Mr. Saxman), vocalist Laila Adele and guitarist Alex Crown.

[3] His fourth album, "Magical", was released in August 2012, and features several different artists, such as Boney James, Jackiem Joyner, and Vincent Ingala.