a babbling brook or creek as it skips downstream over stones winds rustling through the trees birdsong in the morning
It depends only on your own taste and your mood. One likes rap music the other hates it.
Music from a piano
Musical sound will be pleasant to hear. Noise is unwanted because it is non harmonious. But musical notes are harmonious and would be pleasant. Some kind of raga will make us to sleep and some other...
A guitar or a TV. You rock Wikianswers! Peace out dudes and dudets.