21. Once carved, a round sound board of the same wood is glued to the instrument. 22. The harp has a sound board below the strings. 23. It has recently introduced SoundMan Wave, a wave-table synthesis sound board featuring the Yamaha OPL-4 chip. 24. There is the audio system custom built for the tour controlled by two digital sound boards . 25. Some of these state of the art technology include, the lighting board and the sound board . 26. In a December 2010 interview, Wise said that he found the NES sound board work challenging. 27. Users with a sound board that supports microphone input can have audio tapes in their family tree. 28. The factory continued to use Siberian spruce for sound boards _ the heart and soul of pianos. 29. That could be stage-managing, running the sound board , writing, directing, teaching or simply keeping the kids quiet. 30. A sound board is highly recommended.