live performance functions : assign and knob A and knob B of Yamaha psr-i455

hello friends, welcome back to my youtube channel. ~today I am taking about assign and knob A and knob B functions of Yamaha psr-i455. ~in this video I am learn you antire and ditailed functions on this. ~with this functions we modified the voice, style and songs at live performance. 00:00 1. Intro 01:23 2. tabla tanpura 04:14 3. tabla tanpura 06:20 4. Filter 08:46 5. Effect 13:05 6. Envelope Generator 15:50 7. Style filter 17:43 8. Ending if you like my video then press the like button and for more videos like this subscribe my youtube channel and don't forget to press the bell icon.