As we reported earlier today, legendary Velvet Underground frontman and solo artist Lou Reed has died at the age of 71. The veteran rocker had undergone a liver transplant in May, but no cause of death has been officially announced.

Reed, who collaborated with Metallica a couple of years, ago, is highly respected in the rock world, having influenced a tremendous amount of bands. With a death of this magnitude in the rock world, a slew of musicians and bands have reacted via Twitter, including Nikki Sixx, Dave Navarro, Motorhead, Flea and several others. See their tweets below:

https://twitter.com/NikkiSixx/status/394538449392242688

https://twitter.com/flea333/status/394537309674012672

https://twitter.com/DaveNavarro/status/394525689426505728

https://twitter.com/myMotorhead/status/394542985985024000

https://twitter.com/BillyIdol/status/394526442068795392

https://twitter.com/MrTommyLand/status/394526879991885824

https://twitter.com/PaulStanleyLive/status/394539166027251712

https://twitter.com/TDWPband/status/394537794082582528

https://twitter.com/gerardway/status/394523005730058240

https://twitter.com/dankojones/status/394517295969492992