We're almost into baritone guitar territory now. At two full steps (four semi tones) below E standard, C standard is a very low key for guitar. Many bands have experimented with C standard. Vocalists that suit the lower keys are often complimented with tunings such as this.
To reach C standard, strings have to be fairly loose. Heavier guage strings (strings where the first string is at .011 inches onwards) help counter this as they require more tension. They give a fat, full sound with plenty of sustain.
Noted Musicians/bands that have experimented with this tuning
- Tony Iommi
- Bring Me The Horizon
- Billy Corgan
- Kenny Poole