These included classical pieces such as Samuel Barber 's " Adagio for Strings " , jazz standards such as " Ai n't She Sweet " , and an encyclopaedic array of songs from the early rock and roll era such as " Stand By Me " , " Words of Love " , " Lonely Sea " , " Bésame Mucho " by Mexican composer Consuelo Velázquez ( a song that was part of The Beatles ' repertoire in the early days ) and " Blue Suede Shoes " .