SanDisk has announced the launched of four new 1,000 song genre-specific SlotRadio music cards. The new cards start at $39.99 and give instant access to music genres including rock, country, oldies, and Hip Hop/R&B.

Each of the cards has a handcrafted playlist with songs from Billboard's top charting artists. The Billboard Rock card has music in classic, hard, and modern rock with tracks form Bon Jovi, Santana, System of a Down, The Who and more.

The country card has hits from Country Belles, Johnny Cash, George Straight, Shania Twain, Carrie Underwood and more. The oldies card offers songs from The Beach Boys, Earth, Wind, & Fire, Elvis Presley, and more. The Hip Hop/R&B card offers artists like Akon, Snoop Dog, Marvin Gaye, and more.

Via SanDisk