Tracklist

1	Hydra
2	St. George And The Dragon
3	99
4	Lorraine
5	All Us Boys
6	Mama
7	White Sister
8	A Secret Love

Credits

• Art Direction – Jeff "Artful Dodger" Porcaro*, Jim Hagopian, Tony Lane
• Bass – David Hungate
• Co-producer – Tom Knox, Toto
• Drums, Percussion – Jeffrey Porcaro*
• Guitar – David Hungate, Steve Lukather
• Keyboards – David Paich, Steve Porcaro
• Vocals – Bobby Kimball, David Paich, Steve Lukather
• Written-By – Bobby Kimball (tracks: B2 to B4), David Paich (tracks: A2 to B4), Steve Porcaro (tracks: B4), Toto (tracks: A1)

Notes

Jewel Case

Other versions

Category	Artist	Title (Format)	Label	Category	Country	Year
FC 36229	Toto	Hydra ‎(LP, Album, Gat)	Columbia	FC 36229	US	1979
HLS 460641	Toto	Hydra ‎(LP, Album)	Harmony	HLS 460641	Mexico	1979
25AP 1700	Toto	Hydra ‎(LP, Album, Gat)	CBS/Sony	25AP 1700	Japan	1979
83900	Toto	Hydra ‎(LP, Album, Gat)	CBS	83900	Portugal	1979
40-83900	Toto	Hydra ‎(Cass, Album, RE)	CBS	40-83900	Italy	1979

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