I think people are missing the point here. There's no way Yammie would convert the Motif to a full arranger. Shit they'd lose a HUGE chunk of buyers by adding waltzes, polkas, and more traditional styles to the Motif, and adding fills, variations and fully orchestrated styles. Yes it would end up being a T2 with XS sounds.
The bigger picture here is to have a workstation with "some" arranger like features. That's the key to the whole thing. A workstation doesn't operate like an arranger with fills, but you can do realtime pattern switching with them (similiar but not exactly like an arranger). In a video you can see a rep from Yamaha using the chord recognition, and he's muting parts, and I think even switching patterns in realtime. Adding chord recognition is a great step forward. That feature alone is very welcomed into the synth community.
I myself am not wanting the full arranger features on a synth, but to have some of the arranger functions carried over would be nice. I don't want polkas, waltzes, ect on a synth either, but it's very pleasing to see some basic arranger functions being carried over.
Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.