Complex sentence: Wilson was unable to record his version of the song at the time due to the 1942--44 musicians'strike, so Brunswick reissued the Jacques Renard 1931 recording, and Victor re-issued Vallée's 1931 recording, giving Vallée a number-one hit in 1942.
Split into simpler sentences: Wilson was unable to record his version of the song at the time due to the 1942--44 musicians'strike. So Brunswick reissued the Jacques Renard 1931 recording, and Victor re-issued Vallée's 1931 recording, giving Vallée a number-one hit in 1942.