File:Quarter tone scale on C.pngDescriptionQuarter tone scale on C.png English: Quarter tone scale on C, ascending and descending. Español: Escala de cuartos de todo en Do, ascendente
File:Quarter tone scale on C.midDescriptionQuarter tone scale on C.mid English: Quarter tone scale on C, ascending and descending. Date 4 April 2011, 11:06 Source Own work Author Created
File:The song herald - a collection of new and original music for singing classes, day schools, college choirs, conventions, etc. (IA songheraldcollec00palm 0).pdforiginal music for singing classes, day schools, college choirs, conventions, &c. ( ) Author Palmer, H. R. (Horatio Richmond), 1834-1907 Title The song