Sonar / Cakewalk

请问??狟ね, sonar home studio ?狦录Чmidi?, 稱??sustain应该?样暗? и?piano roll ???velocity,wheel , control,rpnぇ类?东﹁,碞独ろsustain . ???没Τkeyboard sustain pedal. 琩过help?тぃ?. 请?產?毙??.