- The guitar creates 44 different notes by shortening the 6 strings.
- Frets are the spaces between the fret wires
- An open string is any string that is played but not fretted
- Frequencies get higher as you fret (shorten) the strings on the guitar, or move from a thicker string to a thinner string
- Alternatively, frequencies get lower as you lengthen the strings or move from a thinner string to a thicker string.
- Each fret increases the pitch of a string by one 'semi-tone'.