Celtic striker Leigh Griffiths believes his recall to the Scotland set-up is down to him being a more "a bit more experienced".
Dundee keeper Scott Bain and Leigh Griffiths of Celtic have been named in the Scotland squad to take on Qatar and the Republic of Ireland.
Gordon Strachan has challenged his Scotland players to impress ahead of their qualifier against the Republic of Ireland.
Scotland will play Qatar in a friendly at Easter Road on June 5, eight days before their European Qualifier against Republic of Ireland.
Organisers have announced the cheapest tickets for the 2016 European Championship will be sold for £18.
Hibernian narrowed the gap on second-placed Rangers with a 3-1 win over Livingston in the Scottish Championship.