"Hello Mary Lou" is a song written by American singer #GenePitney first recorded by #JohnnyDuncan in 1960 and in the following year by #RickyNelson. The song was recorded by Ricky Nelson at the famous #UnitedWesternRecorders Studios on 22nd March, 1961. Nelson's version, issued as a #doubleAside with his No. 1 hit "#TravelinMan", (Imperial 5741), reached No. 9 on the Billboard music charts on May 28, 1961. In the #UnitedKingdom it reached No. 2.
https://youtu.be/zLkCWT2neuI