With them, they have their very own form of Rock 'n' Roll, called Motorbilly; An explosive blend of Hard Rock, Metal and Rockabilly, staying true to the 50's Rock 'n' Roll, by played with double bass instead of electric bass.
Grumpynators has played over 100 concerts for the last 4 years and has been on tour with Danish mastodons “Volbeat” and “Magtens Korridorer”, played with bands like Supercharger, Skullclub, Batmobile, Sea, Lucer, Franklin Zoo and many others.
They have played in countries like Germany, Austria, Switzerland, Denmark, Sweden & Finland and the interest for their live performances is steadily increasing. More and more often their concerts in Denmark are sold out in pre-sales. Grumpynators has a fantastic, loyal and still growing fanbase from many parts of Europe and the United States. A core of them is known to travel around to see the band in different countries.
The music broadly differs from happy and partylike rhythms to bone-busting hard guitar riffs, thus appealing to a wide range audience. Especially fans of bands like Motorhead, Volbeat, Metallica, Green Day, Ramones and Johnny Cash will love Grumpynators and their Motorbilly genre.