To record multiple tracks, open the app and select the 'Multitrack' option. Then, choose the instruments you want to use. Record each track individually, and you can edit them afterward for better mixing.

Yes, you can customize instruments by accessing the settings in the app. Choose your preferred instrument type, and adjust parameters like pitch and volume to suit your music style.

To import your own audio files, go to the 'File' section in the app. Select 'Import Audio,' choose the files from your device, and they will be added to your project for use.

Mixing tracks in Walk Band involves a few systematic steps: 1. Open your project with recorded tracks. 2. Go to the mixing section. 3. Adjust each track's volume and effects. 4. Use the timeline to trim or align tracks as needed. 5. Save your project.

To add effects, select the desired track and navigate to the effects menu. Choose from various effects such as reverb or echo, adjust their intensity, and then apply them to enhance your sound.