The 'Box Tops' were a Memphis rock group from the 1960s. They are considered a major blue-eyed soul group of the period. "The Letter" was a no.1 hit in 1967 for them and retained on the top for a total of four weeks. 'The Box Tops' sold more than one million copies of "The Letter" and received a gold disc. At only 1 min 58 sec, "The Letter" is one of the shortest songs to top the chart. Singer Alex Chilton was only 16 years old when recording "The Letter".