but the first song that came to me (after the obligatory Beatles "Good Day Sunshine" of course) was this; I got sunshine in my stomach like I just rocked my baby to sleep... https://www.youtube.com/watch?v=v4tDKF_uwRI"]Genesis - In the Cage - YouTube
Therion - Son of the Sun Amon Amarth - Friends of the Sun Cross Graveland - Four wings of the Sun Suffocation - Despise the Sun
https://www.youtube.com/watch?v=Lh--IwUltV4"]City of No Sun-PJ Harvey (Dance Hall at Louse Point).wmv - YouTube
https://www.youtube.com/watch?v=dfF4t9-wpCM&feature=youtube_gdata_player"]https://www.youtube.com/watch?v=dfF4t9-wpCM&feature=youtube_gdata_player
Hope you deem this to qualify - it's kind of about the sun???.... https://www.youtube.com/watch?v=IsT_PvMR4j4"]Joy Division - New Dawn Fades - YouTube
A song with a Summer theme: https://www.youtube.com/watch?v=D8f5Vq_Q4vY"]ANTHRAX - Celebrated Summer - 2003(Rare E.P.) - YouTube
Yours truly... https://www.youtube.com/watch?v=oY9C1saLhgE&feature=youtube_gdata_player"]https://www.youtube.com/watch?v=oY9C1saLhgE&feature=youtube_gdata_player
https://www.youtube.com/watch?v=NU3KELkd-zY"]Animals - house of the rising sun (with lyrics) - YouTube
https://www.youtube.com/watch?v=9Axlo6I9_Qs&feature=youtube_gdata_player"]https://www.youtube.com/watch?v=9Axlo6I9_Qs&feature=youtube_gdata_player
There's a pretty good 311 track called golden sunlight, but they didn't make a video for it, so this link is to the lyric videos or live performances of it. It's a mellow track of theirs. https://www.youtube.com/results?search_query=311+golden+sunlight