Bonneville purchased the WXTR-FM/WZYQ combo, and, under program director Dale O'Brian, changed the format over to contemporary hit radio at 11 am on July 15, 1996, as "Z104" with the call letters WWZZ and WWVZ.
"Z104" was Washington, D.C.'s first Top 40 station since the flip of WAVA to Christian programming in 1992. 
The station was also known for its community efforts and donation drives for local charities. Furthermore, as a member of the Nationals Network, it offered radio coverage of a large portion of the Washington Nationals games.

WWZZ 103.9  WASHINGTON   November 1996

NEW: JAM Mini Mix #85 - WZYQ - Z104 ‘Frederick, MD’ (1985) (Composite)

NEW: RJO - Jingle Of The Day (29th July 2025) - Z104 - Tuesday Productions

NEW: Global Beat (WZEE - Z104 'Madison, WI') (1997) - Demo - TM Century

NEW: Capitol Z (WWZZ - Z104) - Demo - Thompson Creative

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New tracks tagged #z104