Apple drops its iconic startup chime from the new MacBook Pros
 

Aside from the ports that didn't make the cut, there's something else that Apple's taken away from its new MacBook Pro family: the startup chime. Yep, it's taken out the F-sharp chord that accompanies the boot-up whirr of previous MacBooks, and that'...

https://www.engadget.com/2016/10/31/...-macbook-pros/