Lady Gaga creates song with tones too high for humans - that make smartphones link to websites and images at concerts

She’s known for her trendy music and being on the cutting edge of fashion, but Lady Gaga has also been pioneering a sonic technology that’s set to transform experiences at live events.

At her Monsters Ball tour she deployed a product made by U.S start-up Sonic Notify that transmits a signal to the smartphones of audience members that can then link them to various websites and images – and even give them the chance to vote for the encore song.

The signal is cleverly embedded within a song or an audio track of some sort, and picked up by the Sonic Notify app.    Read Here