Otherworld is an album by Lúnasa that was released 1999 on Green Linnet Records. It is the band's second major release. Although the album displays the band’s traditional Celtic sound, it features techniques and styles unusual to the genre, such as occasional double-tracking recording and occasional instances of instruments that differ from Celtic music, such as cello, electric bass and flügelhorn, leading Allmusic to say the album "yields a sound that is unique to the group and yet clearly in touch with tradition". The album has been described as innovative, with The Georgia Straight citing several tracks' usage of multiple woodwinds as an example.