This just hit me... Here's where an 88 key arranger might work... If it was graded hammer it might work better.. The higher you go up the keybed, the lighter the weight of the keys, so if you wanted to record a drum track or sax solo, you could use "octave shift" and move the set up the keys.. This way you could bounce the set around in the upper keys and recording drum tracks and so forth might work out quite well... Hmmmmmmmmm Now this might work.. However I think this would only work well with a graded hammer, or even a semi-weighted keybed could work well..

Squeak