It can be very hit-and-miss when it comes to modern hard rock or any genre, for that matter. But if you work your way through the “sludge,” well, then you just may find your way to the good shit! Like The Jailbirds, for instance, whose brand new single “Sludge” we are helping to unveil today. What can you say about riffs like this other than the fact that they are very “sludgy?” The Mississauga, Ontario quartet is restoring the spirit of the sludge rock of the early 1990s that really helped usher in a whole new era of rock. While Nirvana and Pearl Jam operated with more of a punk rock spirit, Soundgarden and Alice In Chains were borrowing from the Black Sabbath playbook to concoct some of the dirtiest, most thunderous riffs of the era. That’s the level on which The Jailbirds are operating,...