BLOGoZON No.465 - 8 string guitar (EAEADGBE - Drop E tuning) C natural octaves, C major arpeggio, C major scale, C pentatonic major, C major-minor arpeggio, C major blues box shapes plus
Perfect Guitar Tuner (Drop E - High = E B E A C# F#) - YouTube
Top 40 Famous&Easy Seven String Guitar Songs In Standard Tuning/Drop A – Tabs Included – Rock Guitar Universe