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Legal & disclaimers

Educational Reference: Fretster is a personal-study and reference resource for guitar tones, chords, and song references. All content is provided for educational and personal-practice purposes and is offered “as is”, without warranty of any kind.

Chord & Tab Disclaimer: Chord charts, progressions, lyrics excerpts, and lead-sheet timings shown here are interpretive practice references transcribed by ear or compiled from public community sources. They may contain mistakes, simplifications, or incorrect timings, and they are not official transcriptions. Full credit for every composition belongs to its songwriters, performers, publishers, and rights holders.

Copyright & Trademark Notice: All song titles, lyrics, artist and band names, album titles, amplifier and gear model names (including Yamaha®, THR™, and any other manufacturer marks), logos, and related intellectual property referenced herein are the property of their respective copyright holders, trademark owners, and rights holders. Their use here is purely nominative — to identify songs, sounds, and equipment for educational discussion — and does not imply any endorsement, sponsorship, affiliation, or partnership. No copyright or trademark infringement is intended. If you are a rights holder and want material removed or corrected, contact victor.suarez.ferrer@gmail.com.

Tone Presets & Settings: Amplifier preset values are approximations of well-known recorded tones, derived from public community spreadsheets, interviews, and personal ear-matching. They are not factory presets, are not endorsed by any amplifier manufacturer, and individual results will vary based on guitar, pickups, room, and signal chain.

Embedded Media: YouTube videos, lyrics, and any third-party content displayed inside this app are streamed or linked directly from their original platforms. They remain subject to the terms of service and copyright of those platforms and their respective owners.

Privacy: Practice progress, BPM history, and session feedback are stored in your browser (localStorage) and, when you sign in, in your private Firebase® account document. No personal practice data is shared publicly or sold.