Add spaces: Yousayyoudo,andibelieveinyou.

Answer: You say you do, and i believe in you.

Add spaces: Copyorrestorecontentsofa512-byteharddisktoa4kharddiskwithnoadditionalactionsfromyourside

Answer: Copy or restore contents of a 512-byte hard disk to a 4k hard disk with no additional actions from your side

Add spaces: Kanonhallen,Copenhagen,25February-9March1997.

Answer:
Kanonhallen, Copenhagen, 25 February - 9 March 1997.