Nokia on Wednesday announced a trio of new phones, including one that can store up to 3,000 songs. The N91 has an integrated 4GB hard disk and supports digital music formats including MP3, M4A, AAC and WMA, Nokia said. Additionally, the handset comes with a stereo headset with remote control. The N91, expected to ship by the end of the year, will also feature a 2-megapixel camera, e-mail support, a Web-browser and video-sharing capabilities, the device maker said.