[http://musicbrainz.org/release-group/ef42242d-0cf7-47f5-b1d4-f789b1fc4b9e|Endless Summer] & [http://musicbrainz.org/release/234048a4-4d69-4c55-953e-6e6a1b076d4a|I Will Believe It] have vocals performed by [http://musicbrainz.org/artist/93abdd15-b860-403b-9b2c-86f3f1ea4ea7|Natalie Horler] The cover of [http://musicbrainz.org/artist/18b23026-ed29-445a-9bb4-4e86598ab5a9|Mylène Farmer's] [http://musicbrainz.org/work/325c08ec-035e-4646-952b-398f8ed91bdd|song] [http://musicbrainz.org/release/d59a1425-5ddf-4f5e-a881-f1f09fac9196|Desenchantee] has vocals by [http://musicbrainz.org/artist/6c036894-f1d3-4cbd-bb90-91298bba0742|Aila]