Full-range extreme altissimo chromatic quarter-tones fingerings charts, for clarinet and bass clarinet. Being used by players and teachers worldwide.


Alder, Jason. “Meet Murmuri: An Interview with the Clarinetists on Björk’s album Fossora.” The Clarinet 50, no. 1 (December 2022)

Hudson, Andy, Roger Zare, and Jason Alder. “Appendix C- A Guide to Understanding Bass Clarinet Clef Notation.” In Space Bass- Advanced Explorations for Bass Clarinet, p. 147-154. Tecumseh, MI: Conway Publications, 2022.

Alder, Jason. “Etude and Method Books for Bass Clarinet.” The Clarinet 49, no. 4 (September 2022)

Alder, Jason. “Gear Reviews- Standing Pegs for Low Clarinets.” Clarinet and Saxophone 47, no. 2 (June 2022)

Alder, Jason. Contrabass Clarinet Altissimo and Quarter-Tone Fingering Chart, for Leblanc, Selmer, and Eppelsheim Extended Range Contrabass Clarinets. Self-Published, 2022.

Watts, Sarah et al. A Personal Guide to Bass Clarinet Repertoire. sarakwatts.co.uk, Gotham, 2022

Alder, Jason. “Recording Reviews- Urban Visions, Teppo Salakaa.” The Clarinet 49, no. 2 (March 2022).

Alder, Jason William. Compendium of Sonic Possibilities of the Contrabass Clarinet: A Study of Cross-Compatibility and Composer Collaboration. PhD Thesis, The Royal Northern College of Music in collaboration with Manchester Metropolitan University, Manchester, 2021.

Alder, Jason. “Gear Reviews- Aurus 9WA.” Clarinet and Saxophone 46, no. 4 (December 11, 2021).

Alder, Jason. “Music Reviews- ‘Solo Für Kontrabassklarinette’, Markus Lehmann-Horn.” Clarinet and Saxophone 46, no. 3 (September 14, 2021).

Alder, Jason. “Gear Reviews- Royal Global Bass Clarinets.” Clarinet and Saxophone 46, no. 2 (June 16, 2021).

Alder, Jason. “Recording Reviews- ‘Fragmented Visions’, Teppo Salakaa.” The Clarinet 45, no. 2 (March 2018).

Alder, Jason. Clarinet Quarter-Tone Fingering Chart, 2nd Ed. Self-Published, 2017. 1st Ed. 2013.

Alder, Jason. Bass Clarinet Quarter-Tone Fingering Chart, 2nd Ed. Self-Published, 2013. 1st Ed. 2009.

Alder, Jason William. Developing Interactive Electronic Systems for Improvised Music. MMus Dissertation, Artez Conservatorium, Arnhem, 2012.