# help needed: controllable master fx in Sonic Pi?

**URL:** <https://in-thread.sonic-pi.net/t/help-needed-controllable-master-fx-in-sonic-pi/9922>\
**Category:** Support, Help & Resources\
**Created:** [January 26, 2026, 9:42pm UTC](https://in-thread.sonic-pi.net/t/help-needed-controllable-master-fx-in-sonic-pi/9922 "2026-01-26T21:42:11Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![robin.newman](https://avatars.discourse-cdn.com/v4/letter/r/76d3ee/32.png) [@robin.newman](https://in-thread.sonic-pi.net/u/robin.newman)\
**Post date:** [January 26, 2026, 9:51pm UTC](https://in-thread.sonic-pi.net/t/help-needed-controllable-master-fx-in-sonic-pi/9922/2 "2026-01-26T21:51:58Z")

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have a look at this [Question About 'control' Keyword - #2 by robin.newman](https://in-thread.sonic-pi.net/t/question-about-control-keyword/357/2)

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