oldie vs psalmody

oldie

noun
  • A song or record from a previous era. 

  • The genre of music composed of popular music from previous eras. 

  • Something or someone old. 

psalmody

noun
  • The singing or the writing of psalms. 

  • A collection of psalms. 

verb
  • To celebrate in psalms. 

How often have the words oldie and psalmody occurred in a corpus of books? (source: Google Ngram Viewer )