lsusb
# Bus 002 Device 002: ID 066f:8000 SigmaTel, Inc.

modprobe -v usb_storage ; dmesg

usb 2-1: new full speed USB device using ohci_hcd and address 2
SCSI subsystem initialized
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
Vendor: SigmaTel  Model: MSCN              Rev: 0100
Type:   Direct-Access                      ANSI SCSI revision: 04
usb-storage: device scan complete
SCSI device sda: 999936 512-byte hdwr sectors (512 MB)
sda: Write Protect is off
sda: Mode Sense: 38 00 00 00
sda: assuming drive cache: write through
SCSI device sda: 999936 512-byte hdwr sectors (512 MB)
sda: Write Protect is off
sda: Mode Sense: 38 00 00 00
sda: assuming drive cache: write through
sda: sda1
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0

mount /dev/sda1 /mnt/sda1

http://www.supportplus.fr/firmware_mp3.htm

http://www.qbik.ch/usb/devices/showdev.php?id=3139

Dont support OGG/Vorbis (even renamed as .mp3)