Cakewalk's Sonar includes an arsenal of responsive instruments, more effects, and powerful editing tools including Roland V-Vocal VariPhrase technology. These features are complemented by a double precision floating point engine that delivers dramatic increases in dynamic range. Sonar s pristine 64-bit audio engine, seamless and accessible even on 32-bit computers, sets new standards for digital mixing. In addition, Sonar introduces groundbreaking advances in RAM and native processing power on systems running Windows XP x64 edition.