(Image credit: Shutterstock) If you need to quickly generate a short tune, Google Gemini has you covered. Using its AI model Lyria , simply describe the kind of track you want in any style or mood, and Gemini will produce it. Tracks come with lyrics by default, though you can write your own instead. There's a lot of fun to be had with this tool, and you don't need a Gemini subscription to use it. The tunes are well-suited to social media, whether accompanying a video or serving as a custom iPhone ringtone , and at just 30 seconds each they're the perfect length for both. Article continues below 1. Select the tool To create a 3-second tune, open a browser and go to gemini.google.com . Next, select Tools within the prompt box and choose Create Music from the list of options. 2. Choose a track One way of generating a tune is to select a pre-made track from one of those listed above the prompt box. Scroll down the list of tunes and select the play button to hear them then click the one you like. 3.…