Show me all vocal types played by a bandmate with first name "Solveig".
select type from vocals as t1 join band as t2 on t1.bandmate = t2.id where firstname = "Solveig" group by type
Which one is played the most?
select type from vocals as t1 join band as t2 on t1.bandmate = t2.id where firstname = "Solveig" group by type order by count(*) desc limit 1