In this masterclass, they address the corporal position and the importance of keeping to keep a good posture to get a good expression and to avoid bad habits.
Afterwards, Professor Helmerson makes some indications about contrast, rhythm, modulations, phrasing, among other issues. Helmerson advises the student to show properly how he feels the musical changes.
Then, they work on other musical issues related to the bow, character and sound.
Finally, they look over the ending: this should be very virtuoso, without stopping until finishing. In last four bars, the student should give the feeling that he is almost standing up.