On Instagram, Dire Straits singer and guitarist Mark Knopfler has posted a new ‘on this day’ memorial for the fans and revealed the details of his help for a Bob Dylan album.

As you can see in the Instagram post, Mark unveiled a rare photo of himself with Bob while they were working at the studio for Dylan’s 1979 album, ‘Slow Train Coming.’

In the caption area, Mark stated that he worked with Dylan for 12 days to create the iconic album. We have to say that 12 straight days for an album is a priceless effort if you consider the musical technologies of those times.

Here’s the little message that Mark’s page shared:

“In May 1979, Mark began 12 days in the studio for Bob Dylan’s album ‘Slow Train Coming’. They recorded at Muscle Shoals Studio, with Jerry Wexler and Barry Beckett as producers.”

A fan named Anna commented:

“You are so young 😍 ❤️🎸”

Another fan named Carvalho paid his respect to Mark and Dylan with a comment and said:

“Two genius!”

You can see the original Instagram post and photo below.

If you watch to one of the unforgettable performances of Mark and Bob, check it out below.