jerry jeff walker (1942) 
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how long has this been going on?song_no=t0324594
70 verschillende versies door diversen
1940 : how long has this been going on? : lee wiley
1950 : how long has this been going on? : ella fitzgerald
1954 : how long has this been going on? : barney kessel
1955 : how long has this been going on? : joe derise
1955 : how long has this been going on? : marian mcpartland
1956 : how long has this been going on? : horace silver
1956 : how long has this been going on : jerry lewis
1956 : how long has this been going on? : mel torme
1956 : how long has this been going on? : ruby braff
1957 : how long has this been going on? : chris connor
1957 : how long has this been going on : dolores gray
1957 : how long has this been going on : joe bushkin
1957 : how long has this been going on? : les elgart
1957 : how long has this been going on? : tony perkins
1958 : how long has this been going on? : chet baker
1958 : how long has this been going on? : coleman hawkins
1958 : how long has this been going on? : dinah shore
1958 : how long has this been going on : julie london
1958 : how long has this been going on? : mose allison
1959 : how long has this been going on? : carmen mcrae