Wanna know what coming at Tuesday’s Apple event? It’s all in the song

Dreamin' about what September 14 will bring.

Apple's California streaming event is days away, which leaves plenty of time for speculation about what the company could reveal. We've already made an attempt at deciphering the invitation, but the tag line—a play on the hit song California Dreamin' by The Mamas and the Papas—stands out. What does it mean?