# Tracker's Song- / Pattern- / Instrument-Files Documentation / Specifications

**URL:** <https://backstage.polyend.com/t/trackers-song-pattern-instrument-files-documentation-specifications/4526>\
**Category:** Archive\
**Tags:** tracker, export\
**Created:** [August 31, 2023, 3:03pm UTC](https://backstage.polyend.com/t/trackers-song-pattern-instrument-files-documentation-specifications/4526 "2023-08-31T15:03:58Z")\
**Posts on this page:** 1\
**Showing post:** 23

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**Author:** ![Sandroid](https://backstage.polyend.com/user_avatar/backstage.polyend.com/sandroid/32/172_2.png) [@Sandroid](https://backstage.polyend.com/u/Sandroid)\
**Post date:** [June 18, 2026, 8:47am UTC](https://backstage.polyend.com/t/trackers-song-pattern-instrument-files-documentation-specifications/4526/23 "2026-06-18T08:47:05Z")

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I think it‘s save to say, this request has been fulfilled:

See:

> [@The Polyend Tracker Ecosystem is opening up](https://backstage.polyend.com/t/the-polyend-tracker-ecosystem-is-opening-up/24723):
>
> Hey everyone! I am incredibly excited to finally share something I’ve been working on. Introducing tracker-lib tracker-lib, is a comprehensive TypeScript-based library for reading, writing, and creating files compatible with the Polyend Tracker family (OG Tracker, Tracker Mini, and Tracker+). Thanks to Polyend’s effort to document their file formats, we now have a programmatic way to interact with instruments (.pti), patterns (.mtp) and projects (.mt). Whether you want to automate your workf…

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_[View the full topic](https://backstage.polyend.com/t/trackers-song-pattern-instrument-files-documentation-specifications/4526)._