# What would be the best way to pick different sound effects depending on the background harmony?

**URL:** <https://qa.fmod.com/t/what-would-be-the-best-way-to-pick-different-sound-effects-depending-on-the-background-harmony/18433>\
**Category:** FMOD Studio\
**Created:** [February 23, 2022, 4:26pm UTC](https://qa.fmod.com/t/what-would-be-the-best-way-to-pick-different-sound-effects-depending-on-the-background-harmony/18433 "2022-02-23T16:26:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ninomojo1](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/ninomojo1/32/8510_2.png) [@ninomojo1](https://qa.fmod.com/u/ninomojo1)\
**Post date:** [February 23, 2022, 4:26pm UTC](https://qa.fmod.com/t/what-would-be-the-best-way-to-pick-different-sound-effects-depending-on-the-background-harmony/18433/1 "2022-02-23T16:26:57Z")

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Hi all,

What I’m trying to do is fairly straightforward in a Nintendo way… I’m working on a puzzle game, as you connect puzzle pieces one after another I’ve got these notes going up a certain scale, but when the background music changes chord I want to pick notes from a different scale. What would be the most elegant way to achieve that in Fmod Studio, if at all possible?

Help much appreciated!

Romain

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**Author:** ![Alcibiade](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/alcibiade/32/4284_2.png) [@Alcibiade](https://qa.fmod.com/u/Alcibiade)\
**Post date:** [February 24, 2022, 8:02am UTC](https://qa.fmod.com/t/what-would-be-the-best-way-to-pick-different-sound-effects-depending-on-the-background-harmony/18433/2 "2022-02-24T08:02:12Z")

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Hi,  
That could be done by using markers callbacks in your music, passing the current tone or harmony to the game engine. You’ll then trigger the right event based on that.