Powerscales PC is an innovative study tool to help guitarists master hundreds of scales quickly and easily. It has been meticulously created using digitally studio recordings to provide the most accurate sound reference possible. Master guitar scales easily by fretboard or notation viewing options and switch on the fly between Classical, Acoustic and electric guitar modes- with additional Chorus, Overdrive and Reverb effects. Customize how you hear scales and play along with adjustable playback speeds. Learn different Modes, Pentatonic Scales, or choose from hundreds of common to exotic scales alphabetically, by chord, or by interval. Multi-stage tempo controls with different finger placement variations. Options for 1,2 or 3 Octaves. Looping Options. Accurately tune your guitar with Tuning section.