You can check 8notes.com. Also try googling Free Baritone Music.
It's available from Hans Pizka: http://www.pizka.de/3-4orch.htm
You can find free baritone music at 8note website. The Baritone Saxophone and Alto Saxophone are in the same key. So you can play those too but they will just be an octave lower.
I found it!!
Free legal sheet music can be found at public domain websites or at platforms where composers offer it for free directly to performers. Check the links below.
I found lots of things and I found (if you need) Want You Back on 4shared.com but search on google free jackson 5 sheet music and you will find
Recent music is rarely found for free, at least legally.
Downloadable violin sheet music for Christmas can be found on Violinonline, Musicnotes, or Fiddlerman. Some of these sites allow for the free download of the sheet music.
Almost any sheet music that people look for can be found and accessed for free on imslp.
Free downloads of the sheet music for Silent Night can be found at MakingMusicFun, 8notes and VirtualSheetMusic. They can be downloaded for free and printed at no cost.
Pachelbel's Canon sheet music can be found for free online and is downloadable as a PDF. Sites such as 8 Notes, Free Score, and Music Notes all offer Pachelbel's Canon as a free download.
MakingMusicFun.net features a collection of free sheet music for the recorder in the Free Sheet Music section of the website. In the Free Video Lesson section of the website you can find step-by-step lessons to help you learn several of the songs. See link below
8notes.com