Written and first recorded by Floyd Dixon (1954).
Popular versions by Laurel Aitken (1961), The Blues Brothers (1978), Johnny Lee (C&W #2 1983).
From the wiki: “‘Hey Bartender’ was written and first recorded in 1954 by West Coast R&B pianist Floyd Dixon. A 1961 Ska cover by Laurel Aitken popularized the song, as did the inclusion of it on the first Blues Brothers album in 1978. The only charting version of ‘Hey Bartender’ was recorded in 1983 by Johnny Lee.”