Former U.S. President Abraham Lincoln showed great leadership in turbulent times and was the great emancipator who issued the Emancipation Proclamation. But he was also a talented inventor.
Original Video Link with Full Sources: https://youtu.be/qnDr3x9wUSk
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Brandenburg Concerto No4-1 BWV1049 - Classical Whimsical by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100303
Artist: http://incompetech.com/