1957 5 Oct. 6 You feel it in a beat—in jazz—real cool jazz or a good gutty rock number.
1981 D. Anderson xx. 159 He ordered Mumm's Champagne all night and danced a stately two-step with Adele, except for the times Lexie took her off for lively rock numbers.
2008 (Nexis) 12 Dec. 18 This is nice mid-tempo rock number but doesn't bring anything to the party.