The cello weeps and sows and soars, and so it goes with Randall Holt and his Inside The Kingdom of Splendor and Madness, which gets the CD/cassette re-release treatment April 20 from Self Sabotage Records. Holt, an accomplished cellist, traffics in the kind of moody, cinematic, classical soundscapes that oft define Godspeed You! Black Emperor, which…