In 1978, a sixteen track score for the film PIRANHA was released on LP only in the U.S.. A CD version was released in limited quantities in the US only in 2004.  Both titles are out of print. This special edition includes one bonus track. 1981’s PIRANHA II The Spawning had a twelve track score released on LP only in Italy.  A CD release also appeared in Italy in 2007. This special edition contains three bonus tracks. All versions remain out-of-print.
 
PIRANHA (1978)
01.  No Trespassing (02:05)
02. Main Title (01:16)
03. Aquarena / Homonculus (02:14)
04. Piranhas Upon Us (02:19)
05. Lost River Theme (01:19)
06. Fatal Rescue (02:10)
07. Summer Dreams (02:13)
08. Dr. Hoak (00:57)
09. Nightmare in the Sun / Betsy’s Death (02:20)
10.  Empty Tubes (02:18)
11.   Operation Razorteeth (01:33)
12.  Escape in the Night (00:50)
13.  Premonition / Beyond the Darkness (05:18)
14.  Restricted Area (01:16)
15.  End Title (02:15)
16.  Yes, We Have No Piranhas (00:38)
       BONUS TRACK
17.  Tom Glazer - Great, Green Gobs (02:39)
 
PIRANHA II: The Spawning (1981)
01. Prelude (02:47)
02. Profondo Sinfonico (Main Titles) (03:35)
03. Club Elysium (03:08)
04. The Wreck (03:47)
05. Profundo (02:33)
06. Escape To Paradise (03:56)
07. Theme From Piranha II (04:19)
08. Fun At Elysium (03:48)
09. 6:30 A.M. Explosion (02:58)
10. The Spawning (01:37)
11. Underwater Symphony (02:44)
12. The Deep (End Titles) (03:44)
       BONUS TRACKS
13. Profondo Sinfonico (Main Titles - Full Version) (04:21)
14. Theme From Piranha II (Single Version) (02:33)
15. Piranha II: The Spawning Suite (13:57)