(Words & Music: Guido Block)
| Vocals | ||||
| Piccola Stella Piersante* – Cekke… (CD, Album) | Studio Lead | LED 498654 2 | 2000 | |
| Australia e altri 3…Alessandro Farinella – Momo (CD, Album, Pap) | AMS (3), Vinyl Magic, AMS (3) | AMS115CD, AMS 115 CD | 2007 | |
| Noize Machine – The Jumping Clown (CD, Album) | Valery Records | VRCD 063 | 2008 | |
| Thela Hun GinjeetLorenzo Feliciati – Frequent Flyer 2 versioni | RareNoise Records | 2012 | ||
| Alessandro Farinella – Road To Damascus (CD, Album) | Ma.Ra.Cash Records | MRC028 | 2012 | |
| Pride e altri 2…Adramelch – Opus (CD, Album) | Pure Prog Records | PPRCD009 | 2015 | |
| EZoo (3), Dario Mollo ● Graham Bonnet – Feeding The Beast 2 versioni | Ear Music | 2017 |
| Instruments & Performance | ||||
| The Event (2) – The Event (LP, Album) | PDU | Pld. A 7051 | 1987 | |
| Noize Machine – The Jumping Clown (CD, Album) | Valery Records | VRCD 063 | 2008 | |
| Thela Hun GinjeetLorenzo Feliciati – Frequent Flyer 2 versioni | RareNoise Records | 2012 | ||
| Der Wahn Der Frauen – Erster Teil (La Follia Della Donna – Parte 1 (Versione Tedesca))Elio E Le Storie Tese – Dei Megli Dei Nostri Megli (3xCD + DVD + Box, Comp) | Hukapan, Hukapan | HUK69, 8HUK69 | 2014 | |
| Pride e altri 2…Adramelch – Opus (CD, Album) | Pure Prog Records | PPRCD009 | 2015 | |
| EZoo (3), Dario Mollo ● Graham Bonnet – Feeding The Beast 2 versioni | Ear Music | 2017 |
| Writing & Arrangement | ||||
| The Event (2) – T.T. / Love And Hate (Special Disco-Mix Edition) (12″) | PDU | P.A. MIX 160 | 1987 | |
| T.t.Mina (3) / The Event (2) – Serpenti / T.T. (7″, Promo) | PDU | P.A.J.B. 162 | 1987 | |
| The Event (2) – The Event (LP, Album) | PDU | Pld. A 7051 | 1987 | |
| Van 2 Van – More Than You Know (CD, Single) | New Music International | NSCD 121 | 2000 | |
| Surprising Sue (Progetto Lauroja) (as G.Block)Various – CM2 Project Compilation (Selezione 2004) (CD, Comp) | CM2 | CM2-1-2004-PL1 | 2004 |
| Production | |||
| Adramelch – Opus 2 versioni | Pure Prog Records | 2015 |
| Technical | ||||
| Out Of The BluePet – Rewind The Sofa Lady 2 versioni | Grönland Records | 2006 | ||
| Guillaume Goufan – La Vie En Rose (File, MP3, Single, VBR) | Onirikalab | OK 0903 | 2009 | |
| Adramelch – Irae Melanox (CD, Album, RE + CD, RE + Dlx, RM, Dig) | Underground Symphony | US CD-115/116 | 2010 | |
| Alessandro Farinella – Road To Damascus (CD, Album) | Ma.Ra.Cash Records | MRC028 | 2012 | |
| Camilla Sparksss – For You The Wild 4 versioni | On The Camper Records, Dallas Distortion Music, Cemetery Sisters | 2014 | ||
| Adramelch – Opus (CD, Album) | Pure Prog Records | PPRCD009 | 2015 |
Guido Block - Official Homepage 