1. Orchestral harmonic color (November 2017)
2. Back to the Rhapsody (April 2018)
3. Op. 29 (3 short pieces for Symphony orchestra –April 2018)
4. It’s Time to Go (June 2018)
5. The Lake (December 2018)
6. Freedom (July 2019)
7. Deep Blue (August 2020)

1. Loud Mystery (December 2017) – composed for Chamber ensemble Laurum (premiered at Zagreb Guitar Fest 2018)
2. Blue Dwarf (October 2018) - premiered at Pakrac in March 2019

1. In Memoriam (May 2018) - Walcer is devoted to his late deceased father. In Memoriam Tihomir Klauček (17. 4. 1965 - 22. 12. 2015)  - premiered in April 2019
2. Sunrise (July 2019)
3. Sunset (July 2019)

1. Beginners exercises (February 2010)
2. Quarters (February 2010)
3. Quavers (February 2010)
4. Semiquavers pt. 1 (February 2010)
5. Semiquavers pt. 2 (February 2010)
6. Irregular rhythmic figures – Small Triol (February 2010)
7. Irregular rhythmic figures – Big Triol (February 2010)

Collection of 12 etudes for the small drum:

1. ‘Etude number 1’ (February 2011)
2. ‘Etude number 2’ (April 2011)
3. ‘Etude number 3’ (January 2013)
4. ‘Etude number 4’ (January 2014)
5. Etudes numbered 5-12 are being composed

Duets:

1. ‘Duet for 2 small drums’ (November 2011)
2. ‘Duet for bongos and a small drum’ (January 2012)
3. ‘Duet for 2 small drums’ (February 2012)

Compositions for a drummer ensemble:

1. ‘Mystery’ – 3 movements (December 2011)
2. ‘All In One for Drummers’ – 3 movements (December 2012)

Arrangements and organised compositions:

1. Van McCoy: ‘African Symphony’ – intro for percussion (F. Klauček – February 2011)
2. ‘Woodkid:’ ‘Iron’ – arranged for Brass Quintet and drumline (F. Klauček – November 2013.)