Warm ups and vocal exercises are not enough. Are you ready to start honing your accuracy and reading abilities? What is the next step? Start practicing scales and triads! If most music is built on these patterns, and you can sing them proficiently and confidently, then you will have a head start on learning almost any song you want to sing. Below are links from the episode.
Musika Blog - https://www.musikalessons.com/blog/
Singing Scales - https://www.musikalessons.com/blog/2016/11/singing-scales/
Jazz Scales Series - https://www.musikalessons.com/blog/2016/07/the-altered-scale/