As a rule of thumb, if you are using earphones and someone next to you can hear your music (or worse-identify the song!)
Has no one suggested that she could use earphones?
For example, using earphones to talk and texting with a hand-free devices is still legal.
Using large black earphones, the jury listened to the tapes while they read transcripts provided by the prosecution.
If you want "true stereo," the only reasonable recourse is to use earphones.
When Smith's father buys a television, the family is forced to use earphones when they watch it, in consideration of Tyler's sensitivity.
David sat with his head in his hands, using earphones to be sure to catch every detail.
Sometimes he can hear music from the adjacent cartons, but it's faint, as though the neighbors use earphones.
When Hannah's taste in music drives Daniel crazy, somebody can use earphones or earplugs.
I often listen to music at 1 A.M. without disturbing anyone, by using earphones.