tracks 7 to 15 arranged by [strings], conductor George Del Barrio
art direction Roy Kohara
artwork, design [reissue] Roger Williams
tracks 1 to 6 bass, trombone Raul De Souza
tracks 7 to 15 cello Frederick Seykora
tracks 7 to 15 cello Selene Hurford
tracks 1 to 6 clavinet Eduardo Del Barrio
tracks 7 to 15 congas Hector Andrade
congas Mike Azevedo
drums Carlos Vega
tracks 10 drums Chester Thompson
tracks 7 drums Ralph Humphrey
electric bass Dean Cortez
electric guitar, guitar [acoustic] Jorge Strunz
electric piano, piano Eduardo Del Barrio
tracks 7 to 15 engineer [assistant] Dennis Hansen
tracks 1 to 6 engineer [recording, remix] Rik Pekkonen
tracks 7 to 15 engineer, mixed by Chris Brunt
executive-producer Larkin Arnold
tracks 14 flugelhorn Ralf Rickert
illustration [caldera] Mizue Hamilton
illustration [sky islands] Shusei Nagaoka
liner notes A. Scott Galloway
management, creative director Eighth Note Management
management, creative director Paul Addis
tracks 7 to 15 mastered by Ken Perry
tracks 1 to 6 mastered by Rick Collins
tracks 1 to 6 percussion Carlos Vega
tracks 1 to 6 percussion Eduardo Del Barrio
tracks 7 to 15 percussion Hector Andrade
tracks 1 to 6 percussion Jorge Strunz
tracks 1 to 6 percussion Mike Azevedo
tracks 7 to 15 percussion Ray Armando
tracks 1 to 6 percussion Roberto Da Silva
tracks 7 to 15 percussion Steve Berrios
photography by [caldera] Charles William Bush
photography by [sky islands] Keith Williamson
tracks 7 to 15 producer Eduardo Del Barrio
tracks 7 to 15 producer Jorge Strunz
tracks 7 to 15 producer Larry Dunn
tracks 1 to 6 producer Wayne Henderson
tracks 7 to 15 programmed by [synthesizer] Eduardo Del Barrio
tracks 7 to 15 programmed by [synthesizer] Larry Dunn
reissue producer David Nathan
remastered by Alan Wilson
soprano saxophone, tenor saxophone, flute, flute [alto, bass] Steve Tavaglione
synthesizer Eduardo Del Barrio
tracks 8 synthesizer Larry Dunn
tracks 7 to 15 timbales Hector Andrade
tracks 7 to 15 viola Janet Lakatos
tracks 7 to 15 viola Louis Kievman
tracks 7 to 15 violin Anatol Kaminsky
tracks 7 to 15 violin Bonnie Douglas
tracks 7 to 15 violin Harry Bluestone
tracks 7 to 15 violin Irma Neumann
tracks 7 to 15 violin Jack Pepper
tracks 7 to 15 violin Marshall Sosson
tracks 7 to 15 violin Nathan Ross
tracks 7 to 15 violin Paul Shure
tracks 1 to 6 vocals Carolyn Davis
tracks 7, 8 vocals Dianne Reeves
tracks 1 to 6 vocals Eduardo Del Barrio
Phonographic Copyright (p) Capitol Records, LLC
Phonographic Copyright (p) SoulMusic Records
Copyright (c) SoulMusic Records
Licensed From EMI Records Ltd.
Marketed By Cherry Red Records Ltd.
Distributed By Cherry Red Records Ltd.
Recorded At Capitol Studios
Recorded At Hollywood Sound Recorders
Recorded At Indigo Ranch Studios
Recorded At The Village Recorder
Mixed At Hollywood Sound Recorders
Mixed At Indigo Ranch Studios
Produced For At-Home Productions, Inc.
Produced For Quiblix Productions
Mastered At Capitol Mastering
Mastered At Kendun Recorders
Remastered At Western Star
Published By Cherubim Music
Published By Criga Music
Published By Irazu Music
Published By Irving Music, Inc.
Published By Rotercake Music
Published By Saggifire Music
Published By Warner/Chappell North America Ltd.
Published By Wild Honey Publishing Company
Originally released on Capitol Records, 1976 and 1977 respectively.

Shorter catalogue appears on CD only.

Caldera:
Recorded and mixed at Hollywood Sound, July 1976.

Sky Islands:
Recorded at Indigo Ranch Recording Studio, Village Recorders, Capitol Records
Mixed at Indigo Ranch Recording Studio
Barcode: 5 013929 080232
Matrix / Runout: CA SMCR25102 @@ (Variants 1, 2)
Mastering SID Code: IFPI LY88 (Variants 1, 2)
Mould SID Code: IFPI 1287 (Variant 1)
Mould SID Code: IFPI 1286 (Variant 2)
Rights Society: MCPS