Bremmers Audio Design has released MultitrackStudio 7.1. The new version comes with several new features and improvements:

• New Vocal Tuner effect.
• New Transposer effect.
• Automatic effect delay compensation.
• VariSpeed can now be adjusted while transport is running (but not while recording). (Pro Plus edition).
• New "Speed Only" VariSpeed mode changes speed 50..150% without changing pitch. Doesn't work while recording. (Pro Plus edition).
• Effects in Group/Effect Return/Master sections can use tracks and group busses as sidechain source. (Pro Plus edition).
• Track sidechains can now be stereo. (Pro Plus edition).
• VSTi/AUi with multiple outputs: Up to 30 outputs can now be sidechain source (was 15). (Pro Plus edition).
• Can drag effects from mixer sections to track editor's Audio Edit Control.
• Grid bars (above editors): double clicking thumb starts transport, clicking anywhere on grid bar stops it.
• Overview Bar: double clicking thumb starts transport, clicking thumb again stops it.
• Redesigned "Mix down to audio file" window, it can now optionally remember the destination folder.
• "Record Master" is no longer limited to two audio channels (Pro Plus edition).
• "To Next Song" control surface action added.
• Faders and rotary knobs let you type value after Ctrl+click (Windows) / Cmd-click (Mac).
• Clean Up tool (Song Properties window) now lists unused alternate/partial takes as well.
• Effect/Instrument selectors show format (VST/AU/DX) if the effect is available in multiple formats.
• EQ spectrum display updates faster. Averaged "Output" or "Master Out" spectrum reflects changes immediately after turning knobs.
• Mac: Some AU instruments, like step sequencers, couldn't sync their transport to MultitrackStudio transport.
• Mac: EQ spectrum display graphics issue.
• A couple of other fixes.

Price: The new version is available free of charge for users who purchased the program after February 1, 2011. Older versions can be upgraded for $39 (Pro Plus) / $23 (Professional).