AUDIENCE is definitely NOT a summer song to me. It was released in Nov... winter song to me instead
1998: YOU
1999: Boys & Girls
2000: either Far away (may) or
SEASONS (June). I think SEASONS is more appropriate.. vogue was released in April so i consider that as a spring song rather than summer song)
2001: UNITE!
2002: H (all three songs have some summer elements)
2003: & (well.. except ourselves, the other two have summer feel.. Greatful days is happy; HANABI... you know firework is kinda like a trademark in Japan's summer)
2004: INPSIRE
2005: fairyland
2006: BLUE BIRD
2007: glitter (even tho the pv doesn't look like it..)