Smartphone owners can pick up tips on taking digital photos, downloading music and sifting through the exploding world of apps at three free seminars aimed at adults 50 and older.

Sachem Library in Holbrook is presenting a workshop on the iPhone's powerful camera Wednesday at 3:30 p.m. The workshop will touch on apps available to enhance digital photos. Call 631-588-5024.

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New smartphone users are always amazed at the number and variety of apps available for their devices. Hauppauge Library is holding a seminar on these powerful programs April 15 at 3:30 p.m. Call 631-979-1600.

Music has never been easier to purchase and play thanks to the millions of songs available at Apple's iTunes Store. Harborfields Library in Greenlawn offers a quick course April 16 at 3:30 p.m. on how to download the tunes and play them on an array of devices, including your home computer. Call 631-757-4200.