Dori W.
Unfortunatley
Unfortunatley, right now MusicNotes is the best I've seen. The good is that they have SOME very decent quality arrangements of very famous pieces. The bad is that the website is hard to go through i.e. you put in classical piano solo music, and it'll give you pop songs with vocals and guitar. Or you put Cello solo and you (literally) get 3 pieces, most pop. Their selection comes off as very superfluous but this is only an illusion. If you want to find something that isn't the usual Mozart, or Liszt, or a pop song, it'll either not be there or it'll be an exerpt version that is not even good. Very limited with a lot of the same, common pieces. Very poorly made searching system.
Response from MusicnotesAug 6, 2018
Hi Dori, thanks for taking the time to share your Musicnotes experience with us, we appreciate your feedback. Our current search system returns 2590 results for "Cello solo" (https://mnot.es/cello_solo) - please let us know if these results are not showing up, we'd love to help you find the music you want to play. We're always making improvements to our site, including the ability to search our catalog of over 300,000 arrangements. Please feel free to contact us directly via [email protected] if you require any further sheet music assistance. Stay musical!