This is how to select things that are within the latest three months, excluding this current one.

~vs4469.sql

SELECT * FROM Albums 
WHERE dato  
	between 
		DATEADD(month,-3, DATEADD(DAY,-(DATEPART(DAY, GETDATE()))+1, GETDATE())) 
	and 
		DATEADD(DAY,-(DATEPART(DAY, GETDATE()))+1, GETDATE());