The term maria meneghini callas is identified in base64 scheme by the sequence bWFyaWEgbWVuZWdoaW5pIGNhbGxhcw==, while the MD5 signature is equal to 0d741258db59c70c1ce320077b9b1f32. The ASCII encoding of maria meneghini callas in hexadecimal notation is 6d61726961206d656e656768696e692063616c6c6173.