Samples From Songs.

yes, it is illegal.

different current thread about exactly that topic

also, one can’t actually answer your question properly, because “ordinary songs” isn’t really a well defined term.

songs you could sample under certain conditions for example would be songs released under the creative commons license.

edit: oha, i read your question wrong, the correct answer must of course be: no, it is actually illegal. (instead of yes, it is illegal…)