Sources & Acknowledgements

Audio

Salamander Grand Piano Piano samples used throughout GMI Premium — in Chord Lab, Chord Architect, Progression Lab, and Practice Studio — are from the Salamander Grand Piano, recorded by Alexander Holm. Licensed under Creative Commons Attribution 3.0. Source: freepats.zenvoid.org

Guitar Recordings

Individual Guitar Samples used within the GMI apps (the Electric, Nylon and Steel guitar sounds) were played by Ged Brockie on his own instruments, a Telecaster, a nylon-string classical guitar and a steel-string acoustic, note by note at three dynamic levels with two takes of each note, and recorded by Gerry Callaghan at his music studio facility.

Bass and Drum Samples

Meatbass The upright (double) bass in Practice Studio’s backing band is the Meatbass pizzicato set by Karoryfer Samples: four dynamic levels and four takes of every sampled note. Released under Creative Commons CC-0 (no rights reserved). Source: karoryfer.com

Drum kit The drum samples in Practice Studio’s backing band are also from Karoryfer Samples, released under Creative Commons CC-0 (no rights reserved).

Music Fonts

Members can choose the font the music is drawn in (Sound & Preferences → Display → Music font). Every font is used under the SIL Open Font License 1.1. Our thanks to their designers and publishers.

• Bravura and Petaluma (with Petaluma Script): © 2019 and © 2018 Steinberg Media Technologies GmbH.
• Leland: © 2022 MuseScore BVBA.
• Finale Maestro, Finale Broadway, Finale Jazz and Finale Ash, with their text fonts: © 2021 MakeMusic, Inc.
• MuseJazz (with MuseJazz Text): © 2016 Torsten Hämmerle and Abraham Lee.
• Leipzig: © 2014 Etienne Darbellay, Jean-François Marti and Laurent Pugin.
• Sebastian: © 2023 Florian Kretlow and Ben Byram-Wigfield.
• Gootville: designed by Grzegorz Pruchniakowski, after Bravura by Daniel Spreadbury.
• The fonts follow SMuFL, the Standard Music Font Layout. Scores in the Sight Reader are drawn with Verovio (RISM Digital).

Font names are the trademarks or reserved names of their owners and are used here only to identify each font. The full licence texts are kept with the fonts on this site.

Music Library

Guitar Loot Approximately 404 guitar arrangements in the GMI Guitar Library were created by Eric Crouch and are used with his permission. Full attribution appears on each piece. Source: guitarloot.org.uk

PDMX Dataset Additional public domain MusicXML scores are drawn from the PDMX dataset. Licensed under Creative Commons CC-0 (no rights reserved).

All other repertoire in the Guitar Library is in the public domain. Scores have been verified, graded, and formatted for guitar by GMI.

Score Rendering

Verovio Music notation is rendered using Verovio 6.2.0, developed by the RISM Digital Center. Licensed under the GNU Lesser General Public License (LGPL). Source: verovio.org

Software & Libraries

Tone.js Audio synthesis and sample playback powered by Tone.js. Licensed under the MIT License. Source: tonejs.github.io

Chart.js Session history and progress charts rendered using Chart.js. Licensed under the MIT License. Source: chartjs.org

html2canvas Canvas export functionality uses html2canvas. Licensed under the MIT License. Source: html2canvas.hertzen.com

Fonts

Bravura Music notation font used throughout the platform. Developed by Steinberg Media Technologies. Licensed under the SIL Open Font License 1.1. Source: smufl.org