Chris Cornell's cover of 'Nothing Compares 2 U' is freaking MAGICAL

We've been obsessed with Chris Cornell since his Soundgarden days, and the man just keeps getting better with age.

He covered the Prince song that Sinead O'Connor made a hit -- Nothing Compares 2 U -- for SiriusXM, and let's just say we've, um, got something in our eye. *sniff sniff*

If you want to see some of this magic in person, Chris is on tour through Nov. 2.