Not so much "Killer" but "Class", however very much worth a mention here.
Melvin Lee Davis.
A bass player with real "Class" on 4, 5, 6 and 7! string "Ken Smith" custom instruments.
Albums
Genre : Music
Kindred Spirits (with Tracy Carter)
Home Land
Tomorrow's Yesterdays
Nature's Serenade

These albums available reasonably priced in US will test your systems, but hard to come by and expensive in UK, but well worth the effort of searching these out.
All on the ubiquitous Spotify.

Please Enjoy Hector

AV: Thorens TD160B, SME, ShureV15MK2, 500, 598, 861v4, DSP7200.1, DSP3300HC Samsung UE55, SkyHD.
DINING: MS600, AC200, DSP5200SEUG.
STUDY 504, Roon Nucleus + RevB, 808v6, 5200SE, Mac & PC (Touch Screen), Prime+PS Grado GS1000i
HORIZONTAL: M80, MS200, Red Rose Spirit + Sonus Faber Toys, iPad Mini
A capella to Zydeco