A grom or grommet isnt necessarly a biginner surfer but a YOUNG surfer... usually under the age of 15. Most of the time people that are called groms are youngins who RIP (are good).
To play a song in the background of your slide show, do the following: On the Insert tab, select Audio, and then Audio on My PC. In the file explorer, locate the music file you want to use and then select Insert. On the Playback tab, select Play in Background.
Open the presentation that you want to add a slide to. On the Home tab, in the Slides group, click New Slide, and then click Reuse Slides. In the Reuse Slides pane, in the Insert slide from box, do one of the following: Enter the location of the Slide Library, and then click the arrow to find the Slide Library.