The samples I've heard on iTunes were all very good, so I'm very much looking forward to this. Also, they're slated to be on the bill at Baltimore's M3 Rock Festival this May. VERY excited!!
I've barely heard this band, but Undertow is a great song.
Oh. No. You. Didn't.
Get comfortable for a bit. Here's some classic Mr. Big tunes for you to check out. Maybe you know some of them, don't know, but I'm posting them anyway.
First and foremost, the first three songs off the first album, starting with Addicted to that Rush:
https://www.youtube.com/watch?v=Ck3MuHqYRLMWind Me Up:
https://www.youtube.com/watch?v=jmpQ8wbaJ4wMerciless:
https://www.youtube.com/watch?v=tyXbX2kL0ogFrom Lean Into It, the first three tunes, starting with Daddy, Brother, Lover, Little Boy (The Electric Drill Song). I've provided a live version, displaying why it's called "the electric drill song":
https://www.youtube.com/watch?v=OD-C-oS--xQAn excellent driving song, Alive and Kickin':
https://www.youtube.com/watch?v=nRAQNPlx0GYA Paul Gilbert Tune, Green Tinted Sixties Mind:
https://www.youtube.com/watch?v=NtrmwzIyaMUAnd their (likely) most well known tune, To Be With You. This got literally played into the ground on the radio, resulting in a bunch of teenage girls saying they loved Mr. Big, despite having NO CLUE what a rocking-assed band they were. Much like what happened to Extreme and More than Words.
https://www.youtube.com/watch?v=PDN8BN0Od6IThat's as good a primer as any on what passes for good Mr. Big. There are plenty of other things to point out - Colorado Bulldog, Rock and Roll Over, Take a Walk, The Whole World's Gonna Know, their cover of Free's "Mr. Big", Road to Ruin, Just Take My Heart, live covers (the Who's Baba o' Riley in particular), etc. Anyways, the above is a good start. Enjoy.