Is it Portuguese?
Strange Advance - Nor Crystal Tears
From what I could make out she says "...speaking Celtic.....I'm surely speaking Gaelic". You should ask Gaelic speakers around here. She says that in Gaelic, of course. I might be wrong though
Definitely not Portuguese or any Romance language I've heard and known.
It really seems to be Scottish Gaelic. After Nadia left a hint, I went to check. Here's a partial transcription and a translation into English.