Sound Proof is the eighth studio album by guitarist Greg Howe, released on June 24, 2008 through Tone Center Records.

[1] Glenn Astarita at All About Jazz gave Sound Proof a positive review, calling it "Howe's finest musical statement to date" and praising the technical craft of each musician.

He listed "Sunset in El Paso", "Child's Play" and Howe's cover of "Tell Me Something Good" by Stevie Wonder as highlights.

Praise was given to Howe's playing, which was described as sounding like Steve Vai on "Morning View", as well as other highlights "Emergency Exit" and "Side Note".

Prato concluded by recommending Sound Proof to fans of "all-instrumental prog metal with guitar at the forefront".