Kurzweil has released 64 new sounds for the SP4-7, and SP4-8 stage pianos. These free sounds may be downloaded from Kurzweil’s site free of charge. Among the new presets are classic electro-mechanical tones, such as several variations of the Hohner Pianet, Wurlitzer, Rhodes with stereo tremolo and phaser, CP80 electric grand with chorus, B3 and Vox organs and Mellotron strings, flutes and choir. The sound set also provides a variety of new acoustic pianos, some of which are layered with synths, strings and pads. A bank of 8 new string programs, including fast, tremolo and adagio articulations is offered as well.
In addition, Kurzweil has released OS v2.00 for the SP-series stage pianos, which is also a free download.