From:  nicoception

Day1 - Your favourite song.

Day2 - Your least favourite song.

Day3 - A song that makes you happy.

Day4 - A song that makes you sad.

Day5 - A song that reminds you of someone.

Day6 - A song that reminds you of somewhere.

Day7 - A song that reminds you of a certain event.

Day8 - A song that you know all of the lyrics to.

Day9 - A song that you can dance to.

Day10 - A song that makes you feel relaxed.

Day11 - A guilty pleasure song.

Day12 - A song you listen to when upset or angry.

Day13 - Your favourite Vocaloid song writer.

Day14 - Your favourite PV / animation.

Day15 - Your favourite Vocaloid and why.

Day16 - Your least favourite Vocaloid and why.

Day17 - Your favourite outfit.

Day18 - Your least favourite outfit.

Day19 - A character or adaption you want to cosplay.

Day20 - Your favourite same sex pairing.

Day21 - Your favourite male/female pairing.

Day22 - Your favourite female Nico Nico Vocaloid cover singer.

Day23 - Your favourite male Nico Nico Vocaloid cover singer.

Day24 - Your favourite Nico Nico Chorus cover.

Day25 - A singer you think should have a Vocaloid.

Day26 - Your favourite song series.

Day27 - A song you hated but grew to love.

Day28 - A song you loved but grew to hate.

Day29 - Favourite duet song.

Day30 - Favourite group song [3 or more singers].