What is the unofficial name given to the culture that has emerged from living in the age of digital media, whereby people are frequently more tuned into their digital devices than the world around them? “culture of fear” “culture of rudeness” “culture of communication” “culture of distraction”

The digital age has grown to a point that it permeates every area of our day to day lives. It is known to directly affect our ability to concentrate ... and smartphones in particular, with constant incoming notifications from various sources of interest that are always within reach, present a particularly powerful and consistent distraction. Therefore, I would say that "culture of distraction" is an apt descriptor.

Rhythm  in music is characterized by a repeating sequence.