Ensure: The best similarity song list L;
Description:
1. For i = 1; ; n do.
2. If xj is a typical feature in Ar;
yj = 1;
End for
3. Re-ranking by MR;
4. Compute the score by which i-th audio would be ranked RS,
according to Eq. (1)
5. Let L be a list of top x candidate songs with the highest RS;
6. Return L.