TC-Helicon has announced a new version of the Harmony4 plug-in for Digidesign Pro Tools | HD and TC''s PowerCore platform. The updated version is Universal Binary-compatible and offers a number of doubling presets, including those that emulate overdub sounds, as well as octave doubling. You can use the Harmony4 plug-in to enhance existing harmony tracks and add new one- to four-part harmonies to vocal lines.

The Harmony4 update is free for current, registered users and can be downloaded from TC-Helicon's Web site. For more information, please visit tc-helicon.com.