Come on, folks. Here is one of the largest gatherings of arranger players on the web. How about some NEW ideas for arrangers (that NO-ONE has got yet) to springboard the year off...

Mine would be (amongst many!), a 'half-time, double-time' button (a la Steinberg's Groove Agent), that would push the drummer part (and bass part too, probably) into a 'half-time' feel (not halving the entire tempo, just halving the kick and snare, mostly), or double-time (great for those swing tunes).

No arranger has got this feature, yet it is more MUSICAL than most of the half-brained ideas they come out with...

Anyone else...?
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An arranger is just a tool. What matters is what you build with it..!