Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , finger control Uses complex applications of rhythms in order to test the player's tapping ability. , complex snap divisors Uses mixed or unusual snap divisors in order to test the player's tapping ability. , mapping contest An entry for a mapping contest. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , keysounds Contains hitsounds that use various pitched samples to create a melody, typically following one within the song.