Bard Songs

[AndreD]

the manual is incorrect or not implemented in demo

Walking Song- all instruments, but only pipes work
Beasty Skirl - Flute, Lute, & Harp, but only Flute works
Tryler's Intuition - All, but only Lute works
Proud Mary - Pipes, Lute, & Harp, NO instruments work

[Olias]

Yes the demo is restricted.

The full game has twice as many songs and they can all be played on alternate instruments.