What would we do without Twitter hashtags?! Well that's probably what this horn player thought before creating this tribute to the twitter hashtag.

YouTuber Paul the Trombonist raps to a beat-worthy jazz trombone tune to tell us the story of how the now-ubiquitous number sign followed by letters went from a random nothing on the social network to something tweeters rely on today to spread important news.

Paul the Trombonist is also the man behind "Playing With Your Phone While Sitting on the Toilet," a viral hit from February. Check out his latest tune below: