TUNING: 8 string ukuleles are tuned similar to Hawaiian ukes but the strings are doubled in 4 pairs. The standard tuning is: GG CC EE AA. The other difference is the C and E strings are tuned an octave higher than Hawaiian ukes. You can tune your uke using an online tuner like the one above or you can just tune it the pacific way - by ear!: Place your finger on the 5th fret of the G strings, The open C strings should be tuned to that. Then place your finger over the 4th fret of the C strings to tune the open E strings. Place finger on 2nd fret of G strings to tune the open A strings. If youre a bit tone deaf then it might be a good idea to buy or download a multi-instrument chromatic tuner. They detect the pitch of each string you play and help you get it tuned accurately. Its normal for ukes to get out of tune, depending on how much you play, changes in weather, the newness and quality of the strings. Generally, the better quality the strings, the less tuning involved.
Alternative Tunings: Apart from the standard GCEA tuning, you can also tune your uke up another 1/2 or 1 and 1/2 steps up for for higher sound.
A# D# G C Tuning:
G# C# F A# Tuning (1/2 step up):