Note that the system clipboard can only hold one sound clip at a time, so if you perform several Cuts or Copies in a row, only the last one remains in the clipboard (you guessed it - if you need multi...Note that the system clipboard can only hold one sound clip at a time, so if you perform several Cuts or Copies in a row, only the last one remains in the clipboard (you guessed it - if you need multiple clips, that’s what the Multi-Clipboard is for). First, position the mouse about one third of the way into the main waveform drawing (the wave starts on the left and progresses to the right).