请问中间有一段拖线等麦坤打视讯电话来时
有唱一段歌曲，歌词如下
berty find a came from the rusty bump bump
wait for me in the dark make it in mark bump bump
and that's the way done it's not a fun bump bump
lifting my funk making sculptures out of junk
估狗找不到相关歌曲
但曲调觉得很像一首爵士老歌
请问这段是他们自创曲还是改编老歌原曲