You must have SHEET MUSIC: BASS NOTE and ROCK to make SHEET MUSIC: FLAT BASS. Category: sheet music. Better plant this and come back later, it takes some time. Low level players can use these to level up. Oops, there is no entry in the database about durability. If you know something, please share. Currently we do not yet have knowledge about the seedratio of SHEET MUSIC: FLAT BASS. Unfortunaltely gemratio information is not available. Currently we do not yet have knowledge about the blockratio of SHEET MUSIC: FLAT BASS.