I write all my songs on acoustic piano. I find myself doodling on an arranger and can never get anything finished. I do use the arranger, once my piece is assembled and basically use the drum only style.
ZUKI
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Live: Korg PA4X/Bose L1 Pro 8/Senn 935

Studio: Korg PA4X/Kawai MP7SE/Tascam DP24SD/Sony C80/AGK 214/ATEM Mini Pro switcher/