Ajax is an American, New York-based band, led by female singer Arleen Mitchel. The outfit released the single "Mind the Gap" in 1989, on Wax Trax! Records. A full-length self-titled debut LP followed, which combined industrial and acid-house music. The album, and its two singles failed to chart.

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Mitchel revived the name in the 1990s, most successfully on the 1995 single "Ex-Junkie" which became a minor club hit. "Ex-Junkie" is the band's first (and to date last) entry on the Billboard Hot Dance/Club chart, peaking at number 48.^[1]