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Backtracking is a class of algorithms for finding solutions to some computational problems, notably constraint satisfaction problems, that incrementally builds candidates to the solutions, and abandons a candidate ("backtracks") as soon as it determines that the candidate cannot possibly be completed to a valid solution.
Some of the better-known exact cover problems include tiling, the n queens problem, and Sudoku. The name dancing links , which was suggested by Donald Knuth , stems from the way the algorithm works, as iterations of the algorithm cause the links to "dance" with partner links so as to resemble an "exquisitely choreographed dance."
The purpose of the Project was to collect music of high quality to be used for teaching grades K-6. The repertory was compiled by three groups: musicologists, music educators, and public elementary school music teachers. 230 vocal and instrumental works were included in the Juilliard Repertory Library.
A solo steel drum player performs with the accompaniment of pre-recorded backing tracks that are being played back by the laptop on the left of the photo.. A backing track is an audio recording on audiotape, CD or a digital recording medium or a MIDI recording of synthesized instruments, sometimes of purely rhythmic accompaniment, often of a rhythm section or other accompaniment parts that ...
Algorithm X is an algorithm for solving the exact cover problem. It is a straightforward recursive , nondeterministic , depth-first , backtracking algorithm used by Donald Knuth to demonstrate an efficient implementation called DLX, which uses the dancing links technique.
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The Langley Schools Music Project is a collection of recordings of children's choruses singing pop hits by the Beach Boys, Paul McCartney, David Bowie, and others. Originally recorded in 1976–77, they were found and rereleased 25 years later (in 2001) and became a cult hit and a successful example of outsider music .
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