свободной замены нет, но можно заменить другим отрывком из композиции
Спецификация использования для статьи Led Zeppelin IV
1. This is a sound sample from a commercial recording. Its inclusion in these articles is claimed as fair use because:
2. It illustrates an educational article that specifically discusses the song from which this sample was taken.
3. It is used to specifically convey the song's noted use of dynamic shifts between the quiet verse and loud chorus sections as well as the effects employed in the recording as characteristic of the Nevermind album, and is used to enhance commentary on its composition.
4. It is a short sample from a much longer recording following length and audio quality guidelines detailed, and could not be used as a substitute for the original commercial recording.
5. It is not replaceable with an uncopyrighted or freely copyrighted sample of comparable educational value.
6. It is believed that this sample will not affect the value of the original work or limit the copyright holder's rights or ability to distribute the original recording.
