* Musicnotes.com: This website offers a wide variety of free sheet music, including "Lean on Me." The sheet music is available in PDF format, and you can easily print it out from your computer.
* FreeSheetMusic.org: This website also offers a large selection of free sheet music, including "Lean on Me." The sheet music is available in PDF and MIDI formats, and you can easily print it out from your computer.
* Cantorion.org: This website provides free sheet music for a variety of instruments, including piano. The "Lean on Me" sheet music is available in PDF format, and you can easily print it out from your computer.
* Musikschule-online.com: This German website provides free sheet music for a variety of instruments, including piano. The "Lean on Me" sheet music is available in PDF format, and you can easily print it out from your computer.
Note: Before downloading or printing any sheet music from the internet, be sure to check the file for viruses.