Your music and act may very well be the best thing a booker or press guy has ever heard in his life! But still they may judge you on the amount of plays/views your songs have gotten so far. People may think you’re not ready yet to get booked on big events or to get spotlit by the press. Which is unfair and that’s why in some cases it may be useful to give your music a boost to be get discovered by a greater audience and to get taken more seriously by the important people you want to impress.
If your Soundcloud song has few plays or your YouTube video has few views, consider giving it a guaranteed one-time boost of between ten and a hundred thousand views/plays. Note that this is just an easy way to increase the number that’s shown beside your song to get the attention it deserves by new fans, bookers and the press.