How do I extend or move the selected region into other tracks in Audacity?

To get verified on BandLab, follow the steps given below:

• Open the BandLab software
• Enter all the relevant information on your profile to complete it
• Follow BandLab's verification process.

To export multi-channel files in Audacity, follow the steps given below:

• Open the Audacity software
• Navigate to the File
• Click on Export
• Select a format that supports multi-channel audio, like WAV or FLAC.

To pause the playback in Audacity, you can simply press the spacebar or click on the pause button.

To combine two audio files in Audacity, follow the steps given below:

• Open the Audacity software
• Open both files
• Copy and paste one of the files onto the other project's track or a new track

There isn't a built-in scheduling option in Audacity. However, you can use third-party tools like Automator (Mac) or Task Scheduler (Windows) to start Audacity at a specific time.