Presonus Studio One Pro 4.1.0 Link

: This introduced step-sequencing directly into the timeline, allowing for fast drum and percussion programming without using the standard piano roll. Setup and Performance Tips A Quick Guide on Audio I/O | PreSonus

: A standout feature of v4, the Chord Track allows you to detect chords from audio or MIDI and force other tracks to follow those harmonies. PreSonus Studio One Pro 4.1.0

If you are new to the version 4 environment, these foundational features are critical: PreSonus Studio One Pro 4.1.0

: Version 4.1 improved compatibility with other DAWs by allowing embedded WAV/AIFF files, splitting stereo tracks (critical for Pro Tools exports), and a "Legacy" mode for older AAF versions. PreSonus Studio One Pro 4.1.0