A lot of songs have guitar riffs, some of them multiple times, and far too many to list. If you want to try findign some, start by searching for metal or heavy rock bands, and listen to a few songs; some bands have moer riffs, others use less.
There are very many bands that perform alternative rock songs. Some well known bands are Reliant K, Box Car Racer, Paramore, Flyleaf, Taking Back Sunday and Nirvana.
The Hunting Accident
amon amarth
Yes and no. KiSS overwhelmingly plays Rock/Hard Rock, but some songs of them can be considered as Heavy Metal.
Jazz, Pop, Rock, Metal
Pure Hard Rock and Rock&Roll and some Blues, with some metal and psychedelic background
well you have rock heavy metal pop classical and some others
Yes, Demon Hunter and I Am Terrified are both Christian metal. Skillet, Anberlin and RED are Christian Hard Rock bands.
Its not really one genre of music. Some of the songs are heavy metal and some of the songs are rock and roll. (Plus its humorous)
Chevelle is considered an Alternative band. Chaos Killed is a smaller band, without a label. Breaking Benjamin is a Rock/Metal/Alt Metal band.
Many songs by great heavy metal bands like Metallica, Anthrax, Megadeth, and Slayer can be considered thrash metal. One of the most characteristic songs of this genre is Metallica's "Master of Puppets". The song that probably gave birth to the genre is Queen's "Stone Cold Crazy" in 1974.