The Hal Leonard Corporation is Hal Leonard Corporation is a United States music publishing and distribution company founded in Winona, Minnesota, by Harold "Hal" Edstrom. Additional publications can be found in the catalogs of Santa Barbara Music Publishing and Colla Voce Music, Inc. Dilworth is a contributing author for the Essential Elements for Choir and the Experiencing Choral Music textbook series. both published by the Hal Leonard Corporation/Glencoe/McGraw-Hill Publications, and for Music Express! He has authored 3 books of choral warm up exercises intended for elementary and secondary choral ensembles, entitled Choir Builders: Fundamental Vocal Techniques for General and Classroom Use (2006); Choir Builders for Growing Voices (2009); and Choir Builders for Growing Voices 2
The Hal Leonard Corporation is Hal Leonard Corporation is a United States music publishing and distribution company founded in Winona, Minnesota, by Harold "Hal" Edstrom. Additional publications can be found in the catalogs of Santa Barbara Music Publishing and Colla Voce Music, Inc. Dilworth is a contributing author for the Essential Elements for Choir and the Experiencing Choral Music textbook series. both published by the Hal Leonard Corporation/Glencoe/McGraw-Hill Publications, and for Music Express! He has authored 3 books of choral warm up exercises intended for elementary and secondary choral ensembles, entitled Choir Builders: Fundamental Vocal Techniques for General and Classroom Use (2006); Choir Builders for Growing Voices (2009); and Choir Builders for Growing Voices 2