directly to each row in the batch area. Important: CEA-608 closed caption files must use the .scc extension, iTunes Timed Text subtitles must use the .itt e...

https://www.apple.com/jp/final-cut-pro/docs/iTunes_Store_Package.pdf

tabs in the lower left area of the window in the image below. Spectral + Formant is a good general purpose option which will work well for these drum loops...

https://www.apple.com/jp/logic-pro/resources/docs/elemental_morphing_in_alchemy_0818.pdf