They are integral to every music album. Some, like those for Nirvana's "Nevermind" and The Beatles' "Abbey Road", grow to become iconic. They help interpret the music of some albums and serve as basic graphic form of identification for others. They all have to stand out to attract the buyers of albums either on a shelf or a popular streaming website. They are album covers and this year, for the fifth time, they are going to vie for primacy in the album art contest dubbed Konkurs 30/30.