User blog comment:Miskos3/Fairy Tail Episode 240: Tartaros arc: Where Prayers Go, Review/@comment-25062343-20150704124959

Try this it works:

Switch the music for Openings 16 and 20, i mean I did it and it was awesome.... when Lucy summons the CS King in OP20 it was the exact moment Ultear uses Last Ages in OP16...the music works guys...comment if you think it "works"