Cubase 5, 6, 7,7.5 and 8 Pro one of the most popular production systems to date.
Steinberg products support musicians and producers in creatively realizing their ideas — all the way from the first note through to the final production. The renowned Cubase music production software turns your Mac computer and PC into a complete virtual studio — in three variants tailored to different needs and budgets.
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If you have Cubase and want to upgrade
http://www.steinberg.net/en/products/cubase/start.html