![Beyonce DIDN'T sing the National Anthem live at the Inauguration and lip-synched the whole thing (even though she ripped out her earpiece) | Daily Mail Online Beyonce DIDN'T sing the National Anthem live at the Inauguration and lip-synched the whole thing (even though she ripped out her earpiece) | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/01/22/article-2266539-171557AA000005DC-963_634x595.jpg)
Beyonce DIDN'T sing the National Anthem live at the Inauguration and lip-synched the whole thing (even though she ripped out her earpiece) | Daily Mail Online
![Lazmin112 Monitor Earbuds,in Ear Stereo HiFi Sound Detachable Cable Noise Isolating Wired Earphone,Wired 3.5mm Earpiece for Musicians Singers Audiophile DJs(Without microphone): Amazon.co.uk: Electronics & Photo Lazmin112 Monitor Earbuds,in Ear Stereo HiFi Sound Detachable Cable Noise Isolating Wired Earphone,Wired 3.5mm Earpiece for Musicians Singers Audiophile DJs(Without microphone): Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/61V43OD-diL._AC_UF1000,1000_QL80_.jpg)
Lazmin112 Monitor Earbuds,in Ear Stereo HiFi Sound Detachable Cable Noise Isolating Wired Earphone,Wired 3.5mm Earpiece for Musicians Singers Audiophile DJs(Without microphone): Amazon.co.uk: Electronics & Photo
How exactly does an in-ear piece (the ones singers use) work? What exactly are they used for? - Quora
![BASN Bsinger BC100 in Ear Monitor Headphones Universal Fit Noise Cancelling IEM Earphones for Musicians Singers Studio Audiophiles (Red): Amazon.co.uk: Musical Instruments & DJ BASN Bsinger BC100 in Ear Monitor Headphones Universal Fit Noise Cancelling IEM Earphones for Musicians Singers Studio Audiophiles (Red): Amazon.co.uk: Musical Instruments & DJ](https://m.media-amazon.com/images/I/61+PrBAVqML.jpg)