Like jazz, the blues has its share of late bloomers -- artists who didnt start recording or didnt become well-known until they were well into their 50s or 60s. R.L. Burnside is very much a late bloomer; the Mississippi bluesman was born in 1926, but it wasnt until the 1990s that he started to enjoy the publicity he deserved. Recorded in 2000, Wish I Was in Heaven Sitting Down finds the veteran singer continuing to be fairly unpredictable at 73. Essentially, this CD falls into the Mississippi