Name that tune

I know this beautifull tune (the first one played here), but I don’t know it’s name. Can anyone help me? I have a recording of Matt Molloy playing it.

Thank you in advance

Here’s the Youtube clip,

http://www.youtube.com/watch?v=kS4vwt0T4L0

lovely clip by the way, Zac(I think) says on that very page that:“Tunes are a fling, Cuz Tehan’s and the Bells of Tipperary”

It’s “Cuz” Teahan’s Slow Reel. Lovely tune. It’s in G. Not often played though it should be. Here’s the ABC.

X: 1
T: Cuz Teahan’s Slow Reel
M: 4/4
L: 1/8
C: T. Teahan
D: L.Nugent: The Windy Gap
Z: David Dahl
K: G
E | D3 E G3 A | ABdB AGed | e2 dB GABe |
d2 BG (3ABA GE |
DBDE G3 A | ABdB AGed | e2 dB GABe |1
d2 AB G3 :|2 d2 AB g3 ||
e | dBde g2 (3gfe | dBAG EGGA | B2 AD BAAD |
BAAG EGGe |
dBde g2 (3gfe | dBAG EGGA | B2 AD BAAG |1
BdAB g3 :|2 BdAB G4 ||

I also know it as The Kerry Fling, from Mick O’Brien’s recording.
http://www.thesession.org/tunes/display/1615

What whistle is that? A low F?

Yes, it looks and sounds like an Overton F.