Chamorro, or Chamoru, is the native language of Guam and the Northern Mariana Islands. Although the English language and Japanese language are commonplace on both Guam and the Northern Marianas Islands, people still use the Chamorro language. Chamorro is also used on the continental United States by immigrants and some of their descendants.
harp on someone or something. Fig. to keep talking or complaining about someone or something; to refer to someone or something again and again. I wish you would quit harping on Jeff all the time. He couldn't be all that bad.
Yodeling is a type of wordless singing which appears in many cultures, although it is most closely associated with Swiss folk music. It involves holding an extended single note and modulating it so that it fluctuates from the deep sound of the chest voice to the falsetto sound of the head voice.