Oldcodex (stylized as OLDCODEX) was a Japanese rock band from Tokyo, Japan, formed in 2009. They performed the opening themes for the anime series Free!, Servamp and God Eater and the ending themes for ''Kuroko's Basketball and Togainu no Chi''. Their band name indicates their wish to "create their distinctiveness" in rock music. They also take on a unique concept, having a painter draw on canvas while the main vocalist sing on live stages.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).