What follows is only a partial list of some of the best recordings by the artists who will be appearing September 8, 9, and 10 at OtisSpann Memorial Field. Check them out; the intensity of most of the blues we've listed will knock you over, and some of the jazz records are really worth listeningto before the festival since you may be unaccustomed to this new level of music most people rarely get a chance to hear. Some of the tunes may seem a bit bizarre at f irst, so we recommend that you put one on your machine, light up some of your best weed, let the sounds pass through your body for a while until you feel what's being communicated. Most of the albums we've listed will b,e available at Salvation Records soon after this issue hits the streets, and f you don't have the bread or even f you do you can hear many of these jams on John and Hawg's show every Sunday night at 7 on WNRZ-FM. FOR THE FRIDAY NIGHT PROGRAM. HOWLIN WOLF: Evil, Chester Burnett A.K.A. Howlin Wlf, the London Sessions (Chess) JR. WALKER AND THE ALL STARS: Shotgun, Road Runner (Motown) SUNRAANDHISARKESTRA: The Heliocentric Worlds of Sun Ra Volumes I and II.Nothing IS (ESP), The Magie City, Cosmic Tones for Mental Therapy, Atlantis (Saturn Research) CONTEMPORARY JAZZ QUINTET: Multidirection and Introducing the CJQ (Blue Note) SEIGAL-SCHWALL BLUES BAND: The Siegal Schwall Band (Vanguard) FORTHE SATURDAY AFTERIMOON .PROGRAM. MUDDY WATERS: McKinley Morganfield A.K.A. Muddy Waters, (Chess) ART ENSEMBLE OF CHICAGO: Les Stances a Sophie, People in Sorrow (Nessa) A.A.C.M. Great Black Music: A Message to Our Folks, A Jackson n Your House (BYG), and also Joseph Jarman's As f it Were the Seasons and Song-For, plus Roscoe Mitchell Mitchell's Sound (all on Delmark) and Lester Bowie's Numbers I and 2 (Nessa). HOUND DOG TAYLOR AND THE HOUSE ROCKERS: record of the same name on Alligator Records. MIGHTYJOE YOUNG: same name on (Delmark). Note: Sister LucilleSpann has not been recorded on any discs readily available as yet but you'll sure dig the records made by her husband Otis. FOR THE SATURDAY NIGHT PROGRAM: BOBBY "BLUE" BLAND: Best of Bobby Bland. Touch of the Blues (Duke). CHARLES MINGUS ENSEMBLE'. Mingus Mingus Mingus, The Black Saint and the Sinner Lady (Impulse), Better Git it in Yr. Soul, Let My Children Hear Music (Columbia) DR. JOHN: Gris, Gris, Babyion, Remedies, Sun Moon and Herbs, Gumbo. (Atlantic) LITTLE SONNY: New King of the Blues Harmonica (Enterprise). FOR THE SUNDAY AFTERNOON PROGRAM: ARCHIESHEPP: Fire Music, Mama Too Tight, The Way Ahead, Four for Trane, On This Night, The Magie of Ju-Ju, Things have Got to Change, Attica Blues (all on Impulse). FRE3DIE KING: My feeling for the Blues, Freddie King is a Bluesmaker (CotIlion). SIPPI WALLACE: Two cuts from 1929 on Women of the Blues (RCA Victor). BONNIE RAITT: Bonnie Raitt (Warner Brothers) LUTHER ALLISON: Sweet Home Chicago, Love Me Mama (Delmark). MOJO BOOGIE BAND: As yet unrecorded but LOOK OUT! FOR THE SUNDAY NIGHT PROGAM: Ml LES DAVIS: M ilestones, Jazz Track, Kind of Blue, Sketches of Spain, Bitches Brew,.Live at the Fillmore, LiveEvil, In a Silent Way (all on Columbia). OTIS RUSH: with Albert King on Door to Door (Chess). MARIÓN BROWN: Why Not?The Marión Bröwn Quartet (ESP), Three for Shepp (Impulse). LIGHTNINSLIM: On Pure Blues An■thology, (Sue). BOOGIE WOOGIE RED WITH THE BOOGIE BROTHERS: Not yet recorded.