Tutorial: https://www.youtube.com/watch?v=QvEDtwcDrcQ
Free sheet music in the public domain from IMSLP Music Library:
https://s9.imslp.org/files/imglnks/usimg/7/7d/IMSLP50496-PMLP02312-Chopin_Nocturnes_Schirmer_Mikuli_Op_9.pdf
My Patreon: http://www.patreon.com/paulbarton for those that like to support online creators from as little as 1$ a month
