In a continuing game of corporate musical chairs, Pinnacle Systems, the California-based video software company that acquired German audio software developer Steinberg (www.steinberg.de) in January 2003, has announced Steinberg's impending sale to Yamaha Corporation of Japan … More than three years after suspending operations, effects hardware manufacturer Electrix (www.electrixpro.com) is back in business. The maker of Repeater, FilterQueen, MoFo, and other unique processors and audio loopers has updated its Web site, offering product support, software updates, downloadable manuals, and online forums. New product announcements are expected soon … Line 6 (www.line6.com) has announced that it is the new U.S. distributor of Propellerhead Software products, replacing M-Audio, and will be responsible for all U.S. customer support … Focusrite (www.focusrite.com) recently acquired British synth and keyboard maker Novation Digital Music Systems, with U.S. distribution being handled by American Music & Sound … VirSyn (www.virsyn.com) is offering a free update to its vocal synthesizer Cantor (Mac/Win, $389). Cantor 1.5 features a revised synthesis engine that makes it easier to produce intelligible vocals, thanks to an improved filter model and a new rule-based phoneme sequencer … PG Music (www.pgmusic.com) has released Band-in-a-Box Pro 2005 for Windows ($88; upgrades $49 to $59), introducing more than 50 new features. The popular auto-accompaniment program now provides piano-roll editing and jazz chord symbols, and supports alternate guitar tunings. It also includes the Bonus 10-Pak with every new or upgrade purchase … Symbolic Sound (www.symbolicsound.com) is shipping Kyma X.1, a free upgrade to owners of Kyma X (Mac/Win, $3,470). It adds three new oscillator types, a new PresetSpace module, support for graphics tablets, and other enhancements.