The Hammond Organ. Ask anyone who has played one on the club scene and they'll tell you horror stories about jacking the B3 up fire escapes or removing doorframes; not to mention the instrument's sheer weight, alone. No question, the Hammond is a super heavy organ.
Then there's what's under the hood. There are two layers of keys, four sets of drawbars, and eighteen changeable presets, creating a sound that arguably smokes any modern instrument. You need a virtuoso sitting behind the Hammond or, somehow, it doesn't erupt in those fat, bubbly tones, or in those long glissandos that rip the paint off the wall.
"I just love the instrument," Robert Walter enthuses