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"The CD's of the older music took me back to a fun and carefree time of life. I enjoyed sharing the songs and stories with my children. Music can be a sort of history lesson. Because many events are marked by a song that stays in your mind. When the music is played a variety of memories return that otherwise might not have been triggered. ..."

Time constant

Shorthand method of specifying the values of resistor and capacitor to be used in a frequency correction network by reference to the time taken for the voltage across the capacitor to fall to 37% (approx.) of its original value through the resistor.