Former Guns N’ Roses drummer Matt Sorum has shared the photo of legendary Black Sabbath bassist Geezer Butler, and celebrated his birthday with special open letter he wrote on Instagram.

Here’s what Matt wrote to Geezer:

“Happy Birthday @geezerbutler truly honored to share the stage with you. I’ve been blessed with musical counterparts but you are top of the list for me , Your bass playing is the foundation in which I get to live.

It creates physical and mental emotion that As a drummer is a wonderful feeling that is sacred and very special . @deadlandritual #handofdoom #blacksabbath”

In addition, Guns N’ Roses guitarist Slash also posted a photo of Butler and celebrated his birthday too. He wrote a simple message:

“Happy Birthday #GeezerButler ! iiii]; )'”

Check out the Instagram posts of Slash and Matt Sorum below.

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Happy Birthday #GeezerButler ! iiii]; )'

A post shared by Slash (@slash) on