This is a 1958 release on Liberty Records. The Chipmunk Song and Almost Good.
"The Chipmunk Song (Christmas Don't Be Late)" written by Ross Bagdasarian Sr. (under the stage name of David Seville) in 1958. When Bagdasarian sang and recorded the song, he varied the tapes speeds to produce the high pitched chipmunk voices. The recording credits the vocals to The Chipmunks, Seville's cartoon band. The song won three Grammy Awards that year, one for Best Comedy Performance, One for Best Children's Recording and for the Best Engineered Record (non-classical).
This record is still sounds good, it shows some wear after all of these years. VG.