Mnemonic devices set to music prove the power of response to music.
physical
emotional
intellectual
long-term

A Mnemonic is a device set to music to prove the power of intellectual response to music.  It is a tool that we can use in order to remember things easier as to phrase of a song, a short song, or something that is easily remembered. Mnemonic devices are a way to remember things using the association method. For instance, remembering the 7 colors of the rainbow,. Most teachers use the rainbow song to remember the seven colors of the rainbow.  

The answer is the father was relieved, the officer was tired.