A triangle is the strongest geometric shape — and it just might be the strongest foundation for a band, too.
Today is March 3rd, otherwise known as 3/3, and this tri-umphant day got us thinking about the plethora of great trios in popular music throughout the years. From Beyonce's early years as a member of Destiny's Child to recent Rock and Roll Hall of Fame inductees Nirvana, countless groups have shown us the power of three.
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So for this week's Music Monday, we assembled a playlist of the biggest and best musical trios across a variety of genres. Naturally, we featured three songs per group. Did you favorite trio make the list?

Have something to add to our playlist? Share with us in the comments, below, or on Spotify, and we'll add it.
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If "MashableHQ" doesn't show up when you're trying to send a track, make sure you're following the account. If you're still having problems sending a song after that, let us know in the comments, below, and we'll help you fix the problem.
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