[creer]

There was very little time like that. Where you couldn't hold in your hands the content that you bought.

Radio broadcast becomes popular in 1920-1930. While records playing speed standardizes in the late 1920s. Say Wikipedia.The vinyl single and LP are later but you easily buy records long before vinyl. If anything, I don't know that there were paying streaming formats in early radio.

There was probably quite a bit of content that was played live on the radio - and not available as recordings. And it would have been pretty hardcore to make your own recording of the stream.