source: https://mixkit.co/free-sound-effects/laugh/
Items under the Mixkit Sound Effects Free License can be used in your commercial and non-commercial projects for free.
You are licensed to use the Item to create an End Product that incorporates the Item as well as other things, so that it is larger in scope and different in nature than the Item. You’re permitted to download, copy, modify, distribute and publicly perform the Sound Effect Items on any web or social media platform, in podcasts and in video games, as well as in films and presentations distributed on CDs, DVDs, via TV or radio broadcast or internet based video on demand services.
You can’t redistribute the Item on its own, as stock, in a tool or template, or with source files. You’re also not allowed to claim them as your own or register them on any rights management service.
Source: http://shw.in/sozai/audio120402/tsudzumi-japan3.mp3
License info: http://en.shw.in/