The name was a homage to Joseph Haydn, the classical composer; the spelling was later revised to Hayden, which reflects the way it was pronounced.

[1] The ensemble also performed vaudeville and minstrel show songs, one of which, "The Camp Meeting Jubilee", released in 1904 as Victor no.

4003, includes a very early recorded use of the phrase "rockin' and rollin'", albeit used with a spiritual rather than secular connotation.

[5] After that time, Billy Murray frequently sang lead with the group, and S. H. Dudley was often replaced by Reinald Werrenrath.

[8] In his book Pop Memories 1890-1954, music archivist and statistician Joel Whitburn assessed a variety of sources such as Talking Machine World's lists of top-selling recordings, and Billboard's sheet music and vaudeville charts, to estimate the most successful recordings of the period.