Different types of ukulele: (and all of them make different noises)
Soprano, Concert, Tener, Baritone
The Soprano is the smallest and it goes up to concert, Tenor and Baritone.
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We also learned how to use a ukulele & some chords like C and F
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There are different parts of the guitar, the part which the hole is in is the body and the long part is a neck it also has 4 strings which is less than a normal guitar