- BS, music education (K-12 certification), Case Western Reserve University
- MEd, secondary education (concentrations in music, curriculum and instruction), University of Missouri-St. Louis
- DMA, conducting performance, Northwestern University
More than 150 of Dilworth's choral compositions and arrangements have been published—many of which are a part of the Henry Leck Creating Artistry Choral Series with Hal Leonard Corporation. 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! Teachers Magazine. 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 (2014).
A frequent presenter at local, state, regional and national conferences, Dilworth has conducted 43 all-state choirs at various levels (elementary, middle school, high school), and has conducted 6 regional honor choirs and 4 national honor choirs (ADCA, OAKE and NafME). He has most recently appeared as guest conductor for international choral festivals and master classes in Australia, Canada, Taiwan, Ireland, and China as well as all-state choirs in North Carolina, Oklahoma, Ohio, Arizona and Massachusetts. He has also led honor choirs for the Central and Southwest regions of the American Choral Directors Association. International festival and clinic invitations include Canada, Singapore, Austria and France.
Dilworth is currently National Board Chair for Chorus America. He is an active life member of the American Choral Directors Association (ACDA). He also holds memberships with several other organizations, including the National Association for Music Education (NafME), the National Association of Negro Musicians (NANM) and the American Society of Composers, Authors, and Publishers (ASCAP). In 2017, he received the Temple University Faculty Award for Research and Creative Achievement.
Works and Publications
Dilworth, R.A. (2014). Choir builders for growing voices 2. Milwaukee, WI: Hal Leonard Corporation.
Dilworth, R. A., & Crocker, E. (2010). Choir builders for growing voices. Milwaukee, WI: Hal Leonard Corporation.
Dilworth, R.A. (2006). Choir builders: Fundamental vocal techniques for classroom and General use, Milwaukee, WI: Hal Leonard Corporation.
Choral Compositions & Arrangements
Dilworth, R.A. (2012). Working with male adolescent voices in the choral rehearsal: A survey of research-based strategies. Choral Journal, Vol. 52 No. 9 (April 2012), 23-33