The term twelve-tone system is identified in base64 scheme by the sequence dHdlbHZlLXRvbmUgc3lzdGVt, while the MD5 signature is equal to 97ed8da70190fbfcba58464da85f2d01. The ASCII encoding of twelve-tone system in hexadecimal notation is 7477656c76652d746f6e652073797374656d.