Pronunciation
https://forvo.com/languages-pronunciations/is/
https://www.youtube.com/watch?v=pL5hLTEdeJw
Courses
https://icelandiconline.com/course/Survival/
https://www.routledgetextbooks.com/textbooks/colloquial/language/icelandic.php
https://www.alarichall.org.uk/teaching/modern_icelandic.php
Vocabulary
https://www.memrise.com/course/1638446/icelandic-1/
Grammar
https://www.youtube.com/channel/UCQyvgzt-KJlmSJO-BmbUucA
Songs
https://www.youtube.com/watch?v=Da5qQD_RpEQ
Series