A great film! The 3D animation is comparable to Pixar, which is impossible to find else where. The story is quaint and really brings out the greatest parts of all characters. It has a great personality and really stands out against other Ghibli films. For their first 3DCG Movie I give it a 9/10! Forgot to mention the music, the 3rd best part of the film, other than the CG and Story respectively. The music mixes eastern European folk music with 70s rock n' roll masterfully. Truly their music is the Earwig this film mentions, as it'll be in stuck in my ear for days and weeks to come.
There were somethings I would've like to have seen. More flashbacks about the bands origin & 12 witches involvement, at least one more lyrical song, Bella Yaga's Room, and the reunion of Earwig's Mother & Bella Yaga/The Mandrake.