Mastering Course From AV 105 Publisher: ASK Video Genre: Music Released: 13 Feb, 2019 Size: 466.3 MB Price: $6.99 Click here to request a review of this app App Store Info Description PreSonus Studio One 4 is an extremely powerful mastering environment. Learn the essentials of mastering from this course by Ask.Video. Learn Studio One with trainer and mastering engineer Joshua Carney! Screenshots Screenshot 1 of 8