Basic Style Structure Potencial Comparation.

*CV=Chord Variation

1.X1 DRUM/BASS/ACC1-5/GROOV
3INTRO/4MAIN/3FILL/BREAK/3ENDING
2 CV INTRO/ENDING
3 CV MAIN
3 CV FILL/BREAK
36 DIFFERENT RIFFS
2.ROLAND ALL MODEL
DRUM/BASS/ACC1-6
2INTRO/4MAIN/4FILL/2ENDING
3 CV FOR ALL PARTS
36 DIFFERENT RIFFS
3.WK8 DRUM/BASS/ACC1-6
4INTRO/4MAIN/4FILL/4ENDING
3 CV FOR ALL PARTS
48 DIFFERENT RIFFS
4.PA80
DRUM/PERC/BASS/ACC1-5
2INTRO/4MAIN/2FILL/2ENDING
2 CV FOR INTRO/FILL/ENDING
6 CV FOR MAIN
36 DIFFERENT RIFFS
5.KN6000
DRUM/BASS/ACC1-6
2INTRO/4MAIN/2FILL/2ENDING
NO CHORD VARIATION
6.PSR9000
DRUM/PERC/BASS/CHORD1,2/PAD/PHRASE1,2
3INTRO/4MAIN/4FILL/BREAK/3ENDING
NO CHORD VARIATION


My opinion:

I perchase arranger keyboad because
autoacompany capacity. I think Chord Variation is most important feature of arranger keyboad.
SOLTON/ROLAND/GEM/KORG has this feature.

ROLAND established ther 8 tracks, 12 parts, 3 Chord Variation style structure in old E series, And aply for all ROLAND model.
Therefore, vast original styles are freely disponivel for all model.
Recently, Solton/Technics/Korg changing to 8 track too.

With Chord Variation, arranger can play complete different riffs following chord input. Only hardware arranger can offer this wonderfull capacity. Software arranger can't.

YAMAHA SFF has not real Chord Variation Capacity, SFF use one source riff, Seaquense change only adapting chord input.
Cheap Soft arranger (ex.Music Companion) can do this type of style.
I think this is a reason why SFF sound very simple. It is SFF's potencial limit.

I like YAMAHA sound quality, but never change my EM-50 or GEM WK2 to PSR9000.
EM-50's or WK2 's well created chord variation style is wonderfull, and can't expect this type of style with PSR.

YAMAHA has great marketing and tecnology.
YAMAHA got great success with new PSR, but
I think YAMAHA shall change SFF.

** In detail, SFF can use some tracks for Chord Variation, bur yet very limited.

** Thanks to great contribution of EMC Style Works, we can compare style structure and style quality of all model easily.

Riki