the fournote twiddles can be counted 1 2and 3.or1and 2 3, the twoand being semi quavers, or fournotes the same beginning of morrisons jig coule be ee e e, bb b b, ee e e, this involves cross fingeringor you could play an e roll, b roll, e roll,, or e ee e, themiddle being two semiquavers . there is more of this in the concise english concertina by dick miles. hope this helps Dick Miles.