Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to align tracks in audacity [title] Open the audacity program. [step] You should see the main screen, with colored controls at the top and gray space for available tracks underneath. [title] Record your original track.

Ending1: [step] Delete the itunes tracks and save the originals in a folder for the future. Double-click on the tracks that are in your pre-installed program. Ending2: [step] From the menu on the bottom panel, select " view all tracks " from the pop-up menu. Set the track (s) you wish to record as your mobile app. Ending3: [step] You can import from recorded tracks, import from a set, or purchase. [substeps] Select the track you want to record and click the plus sign to find the track. Ending4: [step] You will see the track populate with lines that represent sound modulation, directly under the controls. [substeps] Use your initial track as a marker for rhythm and timing.

Answer format: ending1/ending2/ending3/ending4