Orchestrion songs are character bound and not Orchestrion bound, meaning it will be useful for you people to not buy overpriced stuff from Market Board, but rather know where to get the songs from.
NPC named Scion Supplier in Waking Sands sells The Waking Sands
NPC named Frine in Ishgard sells Solid
NPC named Bango Zango in Limsa Lominsa sells I am the Sea
NPC named Roarich in Uldah sells New Hope
NPC named Maisenta in New Gridania sells Wailers and Waterwheels
all of these should be 5 000 gil each
In the Gold Soucer for MGP you can get:
A Cold Wind (5000 MGP)
Four Sided Circle (10 000 MGP)
Sport of Kings (15 000 MGP)
Agent of Inquiry (30 000 MGP)
Torn from the Heavens (50 000MGP)
For Tomes you can get (the same NPC where you buy gear for Poetics in Mor Dhona and gear for Esos in Idylshire)
Contention (700 ESOS)
faded copy of Another Round (1000 Poetics) (faded copies are not the same as Orchestrion Rolls, meaning after getting this one you need a CRP to make a blank scroll and an ALC to put the two together )
Both from the Materia seller in Wolves Den:
Faded copy of Blood for Blood (5,000 Wolf Marks)
Faded copy of Starved is (10,000 Wolf Marks)
Amber Trader - Foundation(x:10 y:10):
When a Tree Falls Orchestration Roll - 10 amber
Tenacity Orchestration Roll - 5 amber
Prelude Discoveries orchestrion Scroll gets awarded for unlocking 10 orchestrion scrolls
Ultima Orchestrion Roll gets awarded for unlocking 30 orchestrion scrolls
Can anyone add anything else to this list?