2. The method for understanding music of claim 1 , further comprising selecting a test music sample using the semantic basis sub-classifier machines to compute sub-description vectors for the test music sample forming a test sample description vector for the test music sample by combining the sub-description vectors.
3. The method for understanding music of claim 2 , further comprising comparing the test sample description vector with a description provided by a user recommending or not recommending the test music sample to the user depending on the results of the comparison.