You cannot insert Musical notes directly into Excel, however by using Word's Unicode representation of those musical symbols, you can create them in a document, copy and paste them in Excel file and see if it helps.
How do you type a music note?
How to type music note by using its Alt Code value ♫♪♪
- make sure you switch on the NumLock,
- press and hold down the Alt key,
- type the Alt Code value of the Eight Note 1 3 on the numeric pad ,
- release the Alt key and you got an ♪ Eighth Note Symbol.
How do you insert a flat Symbol in Excel?
To insert the music icon in Word/Excel
To guide you quickly, press the Alt key and type 13 alt on the numeric keypad. You can also press + 2669 on a Mac.