groovin organ based soul & jazz

Listen to some Joey DeFrancesco - Try "Live at the 5 Spot". Guest artist include Grover Washington, Kirk Whalum, Houston Person and Illinois Jacquet and another Hammond master, Captain Jack McDuff. Also check out "Incredible" where Joey and Organ Legend Jimmy Smith team up. Crank up the volume on track 3, "The Good Life". I often use this as a demo cut when demoing my system.

For some great straight ahead jazz, try Pat Martino, "Live at Yoshi's. Joey on organ, Pat on guitar and Billy Hart on drums.

You can't go wrong with Jimmy Smith. I prefer his earlier work.

I forgot to mention Charles Earland.

Lots of good suggestions above-I own and would second the recommendations for Smith, McDuff, McGriff and Earland.

Also worth investigating, although tilted a little bit more towards blues, is Bruce Katz.

Booker T.

These are all great suggestions. I would add Sam Yahel (on latest Joshua Redman). Joey D is my fave and I go back to Wild Bill Davis. A Joey D styled B-3er from Ohio is Tony Monaco....very worthy.