Energy & Green Tech

Researchers develop a cobalt-free cathode for lithium-ion batteries

Researchers at the University of California, Irvine and four national laboratories have devised a way to make lithium-ion battery cathodes without using cobalt, a mineral plagued by price volatility and geopolitical complications.

Energy & Green Tech

What is behind the rising gas prices

The rising price of gas has caused widespread concern across the country over how many consumers will afford to heat their homes this winter. The hike in costs has also seen many providers go under as the costs of supplying ...

page 1 from 5

Instrumental

An instrumental is a musical composition or recording without lyrics or any other sort of vocal music; all of the music is produced by musical instruments. This term is used when referring to popular music rather than to other musical genres such as European classical music. In commercial music, instrumental tracks are sometimes renditions of a corresponding release that features vocals, but may also be compositions originally conceived without vocals. An instrumental version of a song which otherwise features vocals is also known as a -1 (pronounced minus one).

Instrumentals that have reached #1 on the Billboard Hot 100 include

Since the release of "Sandstorm", no instrumental has reached the top of the Billboard chart.

This text uses material from Wikipedia, licensed under CC BY-SA