Ritchie Valens Classic is a term used to refer to two of the most popular songs by the late American singer-songwriter Ritchie Valens. The two songs are 'Donna' (5 letters) and 'La Bamba' (7 letters). 'Donna' was released in 1958 and was a top 10 hit in the US, while 'La Bamba' was released in 1959 and became Valens' signature song, reaching number 1 on the US charts. Both songs have been covered by many artists over the years and remain popular today.