What does ‘riffs’ in this sentence mean:
There’s big, huge riffs and hopefully catchy lyrics.
I found it here:
Big, huge riffs are short rhythm guitar patterns. They usually consist of chords or powerchords. The riffs are big, huge so they are heavily overdriven, they sound massive, heavy, harsh and aggressive. Colloquially, we call them >kickass riffs 
Thank you!
my pleasure
feel free to ask me if you have any problem with texts concerning music or guitars.
Lukasz