What do you mean, ten minutes and twelve inches? I know this is George Lam Ethan's song. I mean, what do these five words mean?

When this song was released, there was a 12 inch CD on the market. This song is nearly 10 minutes, so it is positioned as 12 inch CD. In the late 1980s, this song was all over the street. At that time, the music scene in Hong Kong was booming, so you couldn't go back. If you like Cantonese and Hong Kong stars, George Lam is the music tycoon you will meet. Now you're still high-profile