The group will put out three concerts recorded between 1969 and 1974 on April 18.
Drummer Johnny Elichaoff, known as Johnny Toobad during a stint with King Crimson's Robert Fripp, has died in an apparent suicide.
Forty-five years later, King Crimson's daring debut remains prog's standard bearer, the best example of a then-emerging movement that sought to combine European musical concepts with rock.
At the time, King Crimson's 'Red' was decidedly disappointing, an album without a band that spent just a single week on the British chart, stopping at No. 45.
For years, the so-called 'Blue Tapes' have been among the most sought-after items for King Crimson fans, coveted as much for the musical clarity on display during these 1973-74 concerts as for their scarcity.
Robert Fripp has announced that a new configuration for King Crimson will tour America this fall.
King Crimson's 'Starless and Bible Black' was released on March 29, 1974.