Put Your Head on My Shoulder Lettermen in 1968. This version peaked number 44 on the Hot 100, it was more successful on the Adult Contemporary chart where it peaked at number 8. This song is not to be confused with the Beach Boys' "Don't Talk (Put Your Head on My Shoulder)" (Brian Wilson/Tony Asher) from "Pet Sounds" (1966), with which it has much in common musically. Enrique Guzmán (Mexican singer) recorded a Spanish version in the 1960s titled "Tu cabeza en mi hombro". In Latin America, that cover is even more popular than the original one. Leif Garrett (American singer) also recorded a version in
Supernumerary body part considered to have lost much or all of their original function through evolution. These body parts can be classed as additional to the required functioning of the body. In human anatomy the vermiform appendix is sometimes classed as a vestigial remnant. Prosthesis is an artificial extension that replaces a body part, and cybernetics is the study of computer technology in relation to organisms which can include replacement or additional body parts. Body integrity identity disorder (BIID) is a psychiatric disorder in which a person thinks that they have one or more additional limbs than they should, despite having two arms