As Harmonix slowly releases features for Rock Band 4, we were told last Friday that practice mode will finally be coming to the game. This is a staple that I missed from previous versions, if nothing more than to fine tune that last little bit of a song that was holding me back from getting five stars.
The mode will come with the June title update and will let you practice guitar, drums and vocals respectively with varying speeds and pitches. It wil be easy to find, just locate the Training option off the main screen and follow the prompts. If the title update mirrors previous months, we should see it roll out on June 7th in lieu of any DLC.