在罗马圣路易斯音乐学院学习声波艺术课程期间（2007-2009 年），莱昂纳多在卢卡-斯帕尼奥莱蒂的指导下，开发了一种名为 "Spagnoletti "的虚拟乐器。 和弦盒, built using Native Instruments Reaktor.

Motivated by the pursuit of a “pure sound,” this instrument bypasses equal temperament, instead generating sine waves with frequencies calculated according to exact harmonic ratios (纯谐波).这种方法使他能够创造出尽可能没有跳动的空心、垫状纹理，以及简化、干净的打击乐声音。

"(《世界人权宣言》) 电子爵士乐 project focused on combining pre-programmed sequences created with this instrument and live piano performances, representing Leonardo’s first true approach to experimental music.

Later, with the help of Eduard Resina Bertran, head of the Creation and Music Theory Department of the Escola Superior de Música de Catalunya (ESMUC), Leonardo developed a real-time playable version using Max MSP. This version was later used in several other projects, including 艺术, 咏叹调和 Leomode.