[2] The band's sound is a mix of nostalgic new wave–influenced power pop and contrapuntal Casiotone-driven melodies sustained by heavy guitar riffs.

Since their formation in 1995, Ozma has released five studio albums and toured the U.S., Japan and Canada[3] more than thirty times, including extensive touring with stylistically similar groups including Weezer, Nada Surf, Rilo Kiley, Superdrag, The Rentals, The Get Up Kids, Piebald, Saves The Day, Asian Kung-Fu Generation, and Rooney.

Over the next two years, Kung Fu put out remastered and enhanced versions of Rock and Roll Part Three and The Doubble Donkey Disc,[12] before Ozma's third album, Spending Time On The Borderline, was released in May 6, 2003.

This record saw Ozma mature their sound and expand their musical outlook, moving away—at times significantly—from the keyboard-driven, often video game–themed rock of the earlier albums.

During the 2001–2004 period, Ozma toured the US numerous times, with bands such as Nada Surf, Superdrag, Piebald, The Format, and Rilo Kiley.

Daniel Brummel moved to New York City to pursue a more folk-heavy style and released his debut solo album Speak Easy independently on September 27, 2005.

The album included guest appearances by Matthew Caws (Nada Surf), Will Noon (Straylight Run, Fun), Rachel Haden (The Rentals, that dog.