Source file you can use directly out of tune, or a slightly modified to become a standard design work, which can make learning skills, composition, filter, camera angles and so on.

源文件既可让你直接调出来使用，或者稍微修改一个就成为一个有水准的设计作品，也可学习其中的制作技巧、构图、滤光、拍摄角度等。

youdao

It even has a 'slop' control to recreate slightly out-of-tune vintage synths.

ENGADGET: Music Thing: Modern Analog Synths