Those remembering Ranka singing "Watashi no Kare wa Pilot" from episode 4, well it seems a full low quality version of the song has been leaked online. "What 'bout my Star?" from episode 1 and 5 by Sheryl Nome is also out along with "Infinity" from episode 7.
More details inside.

It appears that a blog for Sheryl Nome from the new series Macross Frontier surfaced last week. So far nothing of real importance on the site, but fans might want to keep an eye on it.
The official website for The Melancholy of Suzumiya Haruhi anime has updated its homepage, and now features Yuki instead of Haruhi, who has recently "disappeared". Also updated is the staff list for the second series, which lists director Tatsuya Ishihara and assistant director Yasuhiro Takemoto (both of whom worked on the first season) as returning. Keep your eyes peeled for the July issue of Newtype, as it is expected to contain more info on the whereabouts of Suzumiya Haruhi.
Source: Haruhi update at Anime News Network [ANN]
The Official Higurashi website has confirmed that a third season is in development and will be titled Higurashi No Naku Koroni Rei. While no official release date has been set, the project is expected to start this winter. Studio Deen, the company that worked on the two television seasons, will return to helm the new project.
Higurash No Naku Koroni Rei at Anime News Network [ANN]
Hot off the heels of the recent Lucky Star OVA announcement and we're already presented with some delectible tidbits straight from the newest issue of Newtype. Apparently, the OVA will be based on the rivalry between Konata and the Animate store manager (Or "tenchou", according to Sankaku Complex ). On a similar note, Newtype has confirmed a drama cd set for release this summer. Page 51 of 53