Yes it is. However, it is expensive relative to the Canadian and US dollar (Euro=1.44 US today).
It pays to know a few European languages unless you stick to tourist areas. English (and French) are very useful, but you'll find neither is commonly spoken in many parts of Europe. English works very well in the Nordic countries (including Finland), the Netherlands, Flemish Belgium and of course the UK and Ireland. French works well in France (if you are really fluent), French Belgium (including Brussels) and the French speaking part of Switzerland (Geneva). Beyond that German is useful in other parts of Switzerland. Austria and much of Eastern Europe (Don't speak Russian there without permission). In Southern Europe, you'll find much of the population is monolingual (Spain, Italy Greece) unless you're in tourist areas where English is usually the preferred non local language.
Doda is not the best example of Polish music. If anything, she is a good example of a pop celebrity with a lot of noise around her, many similar singers around the world. At the same time she IS popular here.
You are right. Doda is not a good singer but she is beautiful!