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| G3 | Live in Tokyo | Virtuoso |
| Gabriel Peter | I/O | Rock |
| Gackt | Diabolos | J-Rock |
| Gae Bolg | Aucassin et Nicolette | Gothic |
| Gae Bolg | Requiem | Gothic |
| Gaia Epicus | Symphony of Glory | Heavy Metal |
| Galahad | Storyteller's Dance | Medieval |
| Galaverna | Dods Dans | Folk Prog |
| Gales Eric | That's What I Am | Rock Blues |
| Gales Eric | Crystal Vision | Rock Blues |
| Gales Eric | Middle of the Road | Rock Blues |
| Galleon | Engines of Creation | Prog |
| Galli Gianluca | Back Home | Virtuoso |
| Galli Gianluca | Evolution Revolution | Virtuoso |
| Galli Jacopo | Timedrops | Prog Metal |
| Galloping Coroners | Dancing With the Sun | Prog |
| Gamma | 4 | Hard Rock |
| Gamma Ray | Land Of The Free II | Heavy Metal |
| Gamma Ray | Hell Yeah!!! The Avesome Foursome | Heavy Metal |
| Gamma Ray | Empire of the Undead | Heavy Metal |
| Gap Party | Additives | Prog |
| Garden Of Delight | Ceremony | Gothic |
| Garden Of Delight | Apocryphal I: The Fallen | Gothic |
| Gargamel | Watch for the Umbles | Prog |
| Gargamel | Descending | Prog |
| Garybaldi | Nuda | Prog |
| Garybaldi | Storie di un'Altra Città | Prog |
| Gaskill Jerry | Come Somewhere | Rock |
| Garamond | Quant'Altro | Prog |
| Garden Wall | Assurdo | Prog |
| Gazpacho | Night | Prog |
| Gazpacho | March of the Ghosts | Prog |
| Gazpacho | Demon | Prog |
| Gazpacho | Molok | Prog |
| Gecko's Tear | Contradiction | Prog Metal |
| Gekko Projekt | Electric Forest | Prog |
| General Stratocuster | General Stratocuster and the Marshalls | Hard Rock |
| General Stratocuster | Double Trouble | Hard Rock |
| Genesis For Two G. | Vol.2 | Prog |
| Gens De La Lune | Alors Joue! | Prog |
| Gentleman's Pistols | Gentleman's Pistols | Hard Rock |
| George Robin | History | Hard Rock |
| George Robin | Dangerous Music | AOR |
| George Robin and Vix | You | AOR |
| Gerard | The Ruins of a Glass Fortress | Prog |
| Gerard | Sighs of the Water | Prog |
| Gerard | Power of Infinity | Prog |
| Germinale | E il Suo Respiro Ancora Agita le Onde | Prog |
| Geyers | Lasterzungen | Medieval |
| Ghost Fish | Ghost Fish | Gothic |
| Ghouls 'n Ghosts | Delete | Nu Metal |
| Gian Castello | Merlino L'Incantatore | Folk Celtico |
| Gian Castello | Taliesin | Folk Celtico |
| Gian Castello | I Regni Segreti | Folk Celtico |
| Gian Castello | Rama, il Druido Primordiale | Folk Celtico |
| Gian Castello | The Mist Covered Mountains of Home | Folk Celtico |
| Gian Vigo | Declino di Transizione | Psichedelic |
| Gianni Alberti Quartet | When You're Smiling | Jazz |
| Giannotti Stefano | Amore Mio | Acoustic |
| Giant the Vine | Music For Empty Places | Prog |
| Gibonni | 20th Century Man | Rock |
| Giganti | Terra in Bocca | Prog |
| Gilbert Paul | Burning Organ | Virtuoso |
| Gilbert P. & Jimi Kidd | Raw Blues Power | Rock Blues |
| Gill Michael | Blues For Lazarus | Prog |
| Gioomarabika | Identità | Rock Italiano |
| Giorgio Antonio | Golden Metal | Power Metal |
| Girlschool | Legacy | Heavy Metal |
| Girugamesh | Girugamesh | Japanese Rock |
| Giubbonsky | Storie di Non Lavoro | Folk Rock |
| Gjallarhorn | Nordheim | Folk Metal |
| G.L.A.S. | 18 | Hard Rock |
| Glad Tree | Onda Luminosa | Prog |
| Glareshift | Second Mirror | Prog |
| Glass | No Stranger to the Skyes | Prog |
| Glass | Illuminations | Prog |
| Glass Allan | Magikarp | Alternative |
| Gleemen | Oltre... Lontano, Lontano | Rock |
| Gleemen | Dove Vanno le Stelle Quando Viene Giorno? | Rock |
| Glenn Kaiser Band | Live | Rock Blues |
| Glyder | Yesterday Today and Tomorrow | Hard Rock |
| Go Koala | Electric Skulls Radio | Electronic Pop |
| Goad | The Silent Moonchild | Prog |
| Goddass | My Beautiful Sin | Heavy Metal |
| God of the Basement | God of the Basement | Rock |
| Godwatt Redemption | The Hard Ride of Mr Slumber | Doom |
| G.O.L.E.M. | Gravitationa Objects of Light, Energy... | Hard Rock |
| Gonzalo | Labors | Folk Rock |
| Good Wines | Just a Little Shaboo | Hard Rock |
| Good Wines | Dirty Enoguh? | Hard Rock |
| Gor | Ialdabaoth | Medioeval |
| Gor | Qumran | World Music |
| Gor | Croisades - The Medioeval Project | Medioeval |
| Gosta Berlings Saga | Tid Ar Ljud | Prog |
| Gosta Berlings Saga | Detta Har Hant | Prog |
| Gotha | Italian Thrash Assault | Thrash Metal |
| Gothic Sex | Rarities | Gothic Metal |
| Gothic Stone | Haereticus Empyreum | Dark Metal |
| Gothica | Gothica | Gothic |
| Gothica | The Cliff of Suicide | Gothic |
| Gothminister | Gothic Electronic Anthems | Gothic |
| Goto Tadashi | Soundscape | Prog |
| Goto Tadashi | Innervisions | Virtuoso |
| Gotthard | Lipservice | Hard Rock |
| Gotthard | Domino Effect | Hard Rock |
| Gotthard | Bang | Hard Rock |
| Gotto Esplosivo | L'Oro del Diavolo | Nu Metal |
| GPS | Window to the Soul | Pomp Rock |
| Graal | Realm of Fantasy | Hard Rock |
| Graal | Tales Untold | Hard Rock |
| Gracious | ! | Prog |
| Gran Turismo Veloce | Di Carne di Anima | Prog |
| Grand Trick | The Decadent Session | Hard Rock |
| Grave Digger | Rheingold | Heavy Metal |
| Grave Digger | Yesterday | Heavy Metal |
| Grave Digger | Liberty or Death | Heavy Metal |
| Graveyard | Graveyard | Hard Rock |
| Graviators, the | The Graviators | Doom |
| Gray Matters | Live in Concert | Rock |
| Grayscale | When the Ghosts Are Gone | Gothic Metal |
| Graves Of Nosgoth | Ex Tenebris Ad Lucem | Heavy Metal |
| Great White | Back to the Rhythm | Hard Rock |
| Green | Of Love and Soul | Hard Rock |
| Green Dollar Colour | Green Dollar Colour | Hard Rock |
| Greenhouse Effect | Al Mio Risveglio | Post Rock |
| Greenhouse Effect + Monti José | Ho Sognato d'Essere Vivo | Post Rock |
| Greenhouze | Greenhouze | AOR |
| Greenslade | Greenslade | Prog |
| Greenwall | From the Treasure Box | Prog |
| Greenwall | Zappa Zippa Zuppa Zeppa | Prog |
| Greenwall | The Green Side of the Moon | Prog |
| Gremo Fabio | Don't Be Scared of Trying | Rock |
| Grendel | Soilbleed | EBM |
| Greylevel | Hypostatic Union | Prog |
| Greyswan | Thought Tormented Minds | Gothic Metal |
| Grinning Shadows | Elegy in Blood | Gothic Metal |
| Grontved Steen | Night Vision Goggles | Virtuoso |
| Ground Control | Insanity | Thrash Metal |
| Gryphon | Red Queen... + Raindance | Medieval Prog |
| GTO | Go GTO Go 1993-2023 | Rock Italiano |
| Guapo | Elixirs | Prog |
| Gudars Skymning | Morka Vatten | Hard Rock |
| Guitar Ray and the Gamblers | Photograoh | Rock Blues |
| Gunhill | Nighthead + One Over the Eight | Hard Rock |
| Gunn Trey | Untone the Sky | Prog |
| Gurvitz Paul | Rated PG | Rock |
| Guster | Ganging Up On the Sun | Rock |
| Gypsy Rose | Gypsy Rose | Hard Rock |