This Echo

This echo This echo, this echo This echo, this echo This echo, invisible This echo, this echo Question and answer This echo, this echo Are you thinking what I'm thinking? Are you thinking what I'm thinking? Or am I thinking what you're thinking? What are you thinking? This echo, this echo Answer, question, question, answer Question, answer, answer, question Nervous system, nervous system Are you thinking what I'm thinking? Am I thinking what you're thinking? What are you thinking? Nervous system, nervous system Nervous system, nervous system Your nervous system Nervous system, nervous system Nervous system, nervous system My nervous system Nervous system, nervous system Nervous system, nervous system This nervous system Are you thinking what I'm thinking? Or am I thinking what you're thinking? What are you thinking? Are you thinking what I'm thinking? Am I thinking what you're thinking? What am I thinking? Am I thinking what you're thinking? Are you thinking what I'm thinking? What are you thinking? This echo, this echo This echo, this echo This echo, this echo