roadblock
 n.— «The Minnesota Music Man and his newest label affiliation, Columbia Records, has hooked up with five Viacom music properties that will conduct what’s known in broadcast parlance as a roadblock. MTV, MTV2, BET, VH1 and VH1 Classic will simultaneously broadcast a 30-minute Prince concert special on Wednesday at 9 p.m. E/P.» —“Headlines” Electronic Urban Report Apr. 27, 2004. (source: Double-Tongued Dictionary)

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