According to the audio information included, the USB device you are
trying to use is MIDI only. Pulseaudio does not deal with MIDi.
affects ubuntu/pulseaudio
status invalid
** Changed in: pulseaudio (Ubuntu)
Status: New => Invalid
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pulseaudio module fails casio usb midi
https://bugs
** Attachment added: "AlsaDevices.txt"
https://bugs.launchpad.net/bugs/627758/+attachment/1533126/+files/AlsaDevices.txt
** Attachment added: "BootDmesg.txt"
https://bugs.launchpad.net/bugs/627758/+attachment/1533127/+files/BootDmesg.txt
** Attachment added: "Card0.Amixer.values.txt"