Published by Svenskt visarkiv. Karl Tirén (1869-1955), a railway officer, travelled between 1909 and 1916 throughout the whole of Sápmi - the part of Sweden populated by the Sámi - to collect yoiks. This book portrays Karl Tirén's wide-ranging collecting journeys and his many meetings with the yoikers and offers a background to Tirén's great endeavours for the yoik tradition.