Musicians Born in 1603
- T 1
- W 2
- T 3
- F 4
- S 5
- S 6
- M 7
- T 8
- W 9
- T 10
- F 11
- S 12
- S 13
- M 14
- T 15
- W 16
- T 17
- F 18
- S 19
- S 20
- M 21
- T 22
- W 23
- T 24
- F 25
- S 26
- S 27
- M 28
- T 29
- W 30
- Apr 3 William Smith, British composer of Anglican sacred choral works, baptized in Durham, England (d. 1645)
- Apr 26 Francesco Nigetti, Italian composer, born in Florence, Grand Duchy of Tuscany (now Italy) (d. 1681)
Country Singers
Jazz Musicians
Opera Singers
Pop Stars
Rappers
Rockers