Music Production Tutorials — major labels

Hit songs used to be about the quality of the melody and how well it infected other listeners.  Those skills would land artists huge distribution deals to spread their music to the masses...but now in days...that model has been thrown out the window. So, what makes a hit song then...? Does it just have to hit on Tik Tok?Can it get played by Lebron James? What is the secret formula for a hit song? I will tell you, it's much more than the actual music.  If quality product made hits, we wouldn't even know about McDonald's hamburgers and we'd only...