International teachers of the Sedona Music Academy

Roger Treece (USA) Composition, Arranging, Improvisation, Circlesongs

Five-time Grammy nominee Roger Treece is a composer, arranger, producer, and vocalist whose work spans classical, jazz, pop, stage, and studio, collaborating with some of the world's most renowned artists. On over 50 albums, Roger has composed and arranged for a wide range of artists including Bobby McFerrin, Josh Groban, Andrew Lloyd Webber, The Manhattan Transfer, The Chicago Symphony Orchestra, Barry Manilow, Mark Murphy, the King's Singers, the Los Angeles Master Chorale, and rapper Z-Trip. For more than 25 years, Roger Treece has toured the U.S., Canada, Europe and the Middle East as a lecturer, conductor and solo artist. He has trained thousands of musicians in all aspects of composing and performing, integrating improvisation and traditional vocal pedagogy. Roger Treece is the author of the book: CircleSongs - A Method for Developing Musical Fluency.
www.rogertreece.com

Alberto Hera (ITALY) - Circlesinging, vocal Improvisation

Albert Hera is a singer and "sound narrator" in whom everyone can recognize themselves far from words. His innovative approach to singing makes him one of the most important vocal experimenters of our days. His experience in the musical field for over 30 years, includes the collaboration with Bobby McFerrin on his album "VOCabuLaries". Since 2003, Albert began his dialogue with the science of the voice, which led him to new paths, both in expression and pedagogy. His technical-stylistic skills and his human sensitivity, brought him much recognition as one of the most capable teachers in the international scene.
Special is how Albert uses visual signs to form soundscapes around the solo singing.
www.alberthera.com

Melissa Cross (USA) - extreme vocal technique for metal

Melissa`s background is in musical theater and traditional opera. She studied and taught all genres for over 20 years and is known worldwide for her training with extreme phonation, or "screaming". Melissa is the creator of "The Zen of screaming", the method for singing heavy metal. She has published several instructional DVDs on this subject. She trained the most famous singers from the metal scene, including Randy Blythe, Oliver Skyes, Matthew Tuck, David Draiman and Corey Taylor. She has gained national media attention as an expert in helping singers minimize and prevent damage to their vocal cords. She has appeared on numerous late night network television shows, NPR, MTV, VH1, the Discovery and Smithsonian Channel. She has performed internationally in several countries conducting seminars for teachers and artists. Melissa was also a judge at the 7th Annual Independent Music Awards.
www.melissacross.com

Rhiannon (HAWAII) - vocal improvisation, circle singing

Rhiannon is a vocal artist with a vision of music as a vehicle for innovation, healing, transformation and social change. A vibrant, gifted vocalist, performance artist, composer, and master teacher, Rhiannon has been bringing her unique and powerful blend of jazz, world music, improvisation, and storytelling to her audiences for over four decades, blazing a unique trail as an independent artist. A master teacher for more than 40 years, Rhiannon is in a class by herself when it comes to exploring the skills and spirit of improvisation. Her specialty is the connection between body and voice, teaching invention of melody, harmony, rhythm, language and story while guiding the singer to the heart and soul of their musical self. Collaborations include the cappella ensembles SoVoSo and WeBe3, Bobby McFerrin and duets with pianist Laurence Hobgood, and performances with Japanese dancer Shizuno Nasu. Rhiannon's book Vocal River, The Skill and Spirit of Improvisation is about her life and teaching methods.
www.rhiannonmusic.com

Joey Blake (USA) - vocal Improvisation, Circlesinging, vocal Bass

Joey is one of the founding and current members of Voicestra, the a cappella ensemble created by Bobby McFerrin. He was also a founding member of Sovoso, the group that grew out of Voicestra. Joey has recorded and produced five albums for this group. Joey is also responsible for numerous arrangements, including his work with SoVoSo, and his discography includes recordings with McFerrin (Medicine Music, CircleSongs), Kenny Loggins, Dianne Reeves, to name a few. Joey is currently on the faculty of Berklee College of Music in Boston as an adjunct professor in the vocal department. He continues to tour with Sung Deep, Back To The Band, and Bobby McFerrin while continuing his solo work and teaching.
www.joeyblake.com

Guillermo Rozenthuler (ARGENTINA / UK) - vocal lessons, improvisation, circlesongs 

Guillermo Rozenthuler is a singer and educator from Argentina who lives in London and has become one of the leading voices of Argentine tango and South American singing in the UK. For over 20 years he has encouraged amateurs and professionals to free their voices and have fun singing together. He believes in the connection between singing and well-being. The inspiration for his work came after working with Bobby McFerrin and Rhiannon. He toured the UK with the hit show Midnight Tango and can be heard regularly in London's most prestigious jazz and world music venues, as well as concert halls across Europe. In 2007, he earned a master's degree with honors in ethnomusicology (Middle Eastern music) from SOAS. His latest collaboration with British musicians is "Musica Paradiso," a joint project with British jazz star Tina May, as well as a collaboration with Latin jazz pianist Edward Simon and an album with the London Tango Orchestra.
www.guillermorozenthuler.com

David Worm (USA) - vocal improvisation, circle songs, beatbox

 David Worm is a founding member of Bobby McFerrin's Voicestra and remains a regular performer with McFerrin, appearing on recordings and videos and touring internationally. Most recently, David Worm performed with McFerrin on the San Francisco debut of McFerrin's Vocabularies with the Pacific Mozart Ensemble. David Worm is also a founding member of the a cappella group SoVoSo, an internationally acclaimed vocal ensemble that has released six albums and tours worldwide. Other current projects include touring and teaching in the innovative improv trio WeBe3, where he collaborates with Rhiannon and Joey Blake. David Worm has more than 50 recordings as a session singer, vocal percussionist and songwriter, and his original music has been recorded by groups both nationally and internationally.
www.glasshousemusic.org/david-worm