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BILLY COBHAM
02, a, Searching For The Right Door (1:24)
b, Spectrum (5:09)
03, a, Anxiety (1:41)
b, Taurian Matador (3:03)
04, Stratus (9:50)
05, a, To The Women In My Life (0:51)
b, Le Lis (3:20)
06, a, Snoopy's Search (1:02)
b, Red Baron (6:37)
TOMMY BOLIN -guitars (1,2a,3,4,5a,6)
JAN HAMMER -piano, moog
JOE FARRELL -saxophone (2b,5b), flute (2b,5b)
JIMMY OWENS -flugelhorn (2b,5b), trumpet (5b)
JOHN TROPEA -guitars (5b)
LEE SKLAR -bass (1,2a,3,4,5a,6)
RON CARTER -bass (2b,5b)
RAY BARRETTO -congas (2b,5b)
BILLY COBHAM 
Spectrum
RELEASED
1973
TYPE
studio album
STYLES
jazz, fusion, instrumental
TRACKS
01, Quadrant 4 (4:20)02, a, Searching For The Right Door (1:24)
b, Spectrum (5:09)
03, a, Anxiety (1:41)
b, Taurian Matador (3:03)
04, Stratus (9:50)
05, a, To The Women In My Life (0:51)
b, Le Lis (3:20)
06, a, Snoopy's Search (1:02)
b, Red Baron (6:37)
DURATION
37:21
MUSICIANS
BILLY COBHAM -drums, percussionTOMMY BOLIN -guitars (1,2a,3,4,5a,6)
JAN HAMMER -piano, moog
JOE FARRELL -saxophone (2b,5b), flute (2b,5b)
JIMMY OWENS -flugelhorn (2b,5b), trumpet (5b)
JOHN TROPEA -guitars (5b)
LEE SKLAR -bass (1,2a,3,4,5a,6)
RON CARTER -bass (2b,5b)
RAY BARRETTO -congas (2b,5b)
PRODUCED BY
WILLIAM E. COBHAM JR.
REVIEW
Výjimečnost "Spectra" je dána hned několika faktory: jde víceméně o první (jazz)rockovou desku vydanou pod jménem bubeníka, celé album je prokládáno sólovými vstupy bicích, jak doprovody, tak brejky jsou technicky velmi náročné ...