Do you find the Graduals and Alleluias in the Liber Usualis daunting ? In 1926, the Solesmes monastery produced this wonderful book of reduced Graduals, Tracts, and Alleluias. They are for singers who find the full versions daunting, but don't want to resort to psalm tones. Their level of difficulty is more along the lines of the Introit or Communio, so they are approachable...