"Hello Mary Lou"@en . "\"Hello Mary Lou\" is a song written by U.S. singer Gene Pitney and Cayet Mangiaracina, first recorded by Johnny Duncan in 1960, and later by Ricky Nelson in 1961.Nelson's version, issued as the B-side of his No. 1 hit \"Travelin' Man\", (Imperial 5741), reached No. 9 on the Billboard music charts on May 28, 1961. In the United Kingdom, where it was released as an A-side (with Dorsey Burnette's \"It's Late\" as the B-side), it reached No. 2."@en . . . . . . "\"Travelin' Man\"" . . "137.0"^^ .