There are 6 good endings and 3 bad endings in Symphonic Rain.
You can view how many you’ve obtained by looking at the “Ending Check” in the Album menu.
Good Ending 1: (Da Capo Mode) Complete Fal’s Path
Good Ending 2: (Da Capo Mode) Complete Lise’s Path
Good Ending 3: (Da Capo Mode) Complete Torta’s Path
Good Ending 4: (Al Fine Mode) Visit Chris wearing Ari’s clothes
Good Ending 5: (Al Fine Mode) Visit Chris wearing Torta’s clothes
Good Ending 6: (Da Capo Mode) Complete Phorni’s Path (Only obtainable after obtaining Ending 5)
Bad Ending 1: Don’t find a partner (pick the wrong choices, try to go after multiple girls, decline their offers to practice/partner up)
Bad Ending 2: Refuse to go with Fal after your final performance on her path.
Bad Ending 3: Fail the onstage performance during Lise’s path.