April 4 - RCA Victor Records[?] announces that it will release all pop singles in mono and stereo simultaneously, the first record company to do so. Elvis Presley's single, "Stuck on You," is RCA's first mono/stereo release.
... conjugation include prefixes, suffixes, infixes, and reduplication. Also extremely common is vowel gradation; every root has (not necessarily all distinct) zero, guna[?], ...