Music

www.all-guitar-chords.com

www.giesen.com (Gitarre stimmen / Tune guitar)

www.12bar.de (tutorial chords, tabs)

www.chordie.com (Lyrics + chords, tabs)

www.youtube.com/siggisongs1 (tutorial mit Siggi Mertens)

www.farhatguitar.com (tutorial)

www.HearTheMusicPlay.com

www.songfacts.com

www.abdelnauer.de/fret.htm (guitar scales)

Annual Table of Sun / Moon Rise Data (U.S. Naval Observatory)