AKB48 - Sakura no Ki ni Narou
This is actually my least favorite of the 'sakura' songs. Somehow it doesn't capture the emotions I got from SnH '08. Even so, still a very solid release. I love the outfits. The song will always remind me of the 'sakura kara no tegami' dorama. I was graduating myself at the time, so this song will always be special.
AKB48 - Everyday, Kachuusha
A melody line which reminds us of various visual kei songs, haha, but it's catchy so who cares. Killer PV, killer sales, a great time in the AKB48 fandom. Like digital clone pointed out, the references to all the other AKB48 singles in the lyrics and in the PV were a really nice touch. Another thing I liked about this was the whole hype surrounding the upcoming senbatsu election. Exciting times.
SKE48 - Paleo wa Emerald
This song followed the trend of ponytail and kachuusha, so it's not that ground-breaking but it totally works. I love everything about this single. The PV, the artwork, numerous TV appearances, etc. Plus, it was summer! Happy days.