'Under Pressure' is a classic rock staple and one of the great duets in history. However, you gain a whole new respect for the song and the vocalists performing when you hear the song without music. Check out 'Under Pressure' done a-cappella with only the vocals of David Bowie and Freddie Mercury.

Everyone knows how great both of these vocalists are but to hear them singing together, with absolutely no music, is awesome. Freddie's vocal range is under the spotlight and Bowie's vocals are almost haunting.

After hearing this, I'll never listen to a Queen or Bowie song the same every again.

[SOURCE: YouTube]

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