I wrote this pattern for my 13-year-old stepdaughter who plays the violin and is obsessed with all kinds of music. She is also constantly on her cell phone and is always complaining about never having a place to put her phone, earbuds, lip gloss, etc. So this is why I chose to combine her love of music with a place to put all of her teenage necessities.
The gauge is not necessary. The Lion Brand yarn I used was 16s x 22r = 4" with size 9 needles, but I used size 6 needles and it worked out just fine.
200 yards of Worsted weight