Music Minus One Vocals 10 Favorites with Sound-Alike Demo and Backi. By Ed Sheeran. Music Minus One. Pop. Softcover Audio Online. 80 pages. Published by Music Minus One

For Building Strength, Endurance and Facility. Composed by Various. Pro Vocal. Exercises. Softcover Audio Online. 32 pages. Published by Hal Leonard

(The Lifestyle Guide for Singers and Talkers). For Voice. Book. Softcover. 196 pages. Published by Hal Leonard

Music for Voice. Choral. Joint venture HLE and ABR. Exam material. Book. Composed 2019. Published by ABRSM (Associated Board of the Royal Schools of Music)