The 1977 Music City USA 420 was a Winston Cup Series (now Nextel Cup) event held at Nashville Speedway USA on May 7, 1977. Benny Parsons won his first event of the year, leading 143 of the 420 laps in route to a one-second victory. Cale Yarborough, who led 275 of the laps, finished runner-up and expanded his points lead on Richard Petty (5th) to 192 markers. Stats