Deletion of All Join In

Comment: The links indicated above (except AllMusic) seem reliable. I also found some reliable sources which talk about the album, whether fully or briefly: https://qconline.com/life/kenny-loggins-treasures-family-in-long-career/article_6fb3d931-4227-52f5-a33d-6612d6677800.html, https://globegazette.com/news/local/loggins-with-kids-messina-all-join-in/article_888a0330-07d8-5b05-9050-a8f96e0299de.html, http://musingsfromme.com/review-kenny-loggins/, https://www.lehighvalleylive.com/music/2011/06/kenny_loggins_discusses_soundt.html, https://connected2christ.com/2009/08/music-reviewkenny-loggins-all-join-in/, https://www.billboard.com/articles/columns/rock/6640904/kenny-loggins-childrens-music-penn-zero-part-time-hero, https://www.independent.com/2009/10/01/loggins-messina-stage-sit-in/ and https://lasvegassun.com/news/2009/mar/12/heart-hand-loggins-rides-danger-zone/. With these, the article is good enough to pass 
Stance: keep
Cited policy: Wikipedia:Notability (WP:NALBUM)

Comment: to Kenny_Loggins_discography#Studio_albums per . I am not convinced by Superastig's sources—they look like passing mentions to me
Stance: merge
Cited policy: Wikipedia:Redirects are cheap (WP:CHEAP)