Do you mean the one when Stark calls Rhodes back while being pursued by the F22's (Ironman 1). The ringtone inside Ironmans helmet is just a Nokia ringtone.
Yes it's the tone that rings on Col Rhodes cell phone when Stark calls him while being pursued by the F22's. Looking all over for it but have not found it yet.
"Scotland the Brave" is a Scottish patriotic song. It was one of several songs considered an unofficial national anthem of Scotland. It is available on Zedge titled Scotland Anthem