diff --git a/Alias.zig b/Alias.zig
new file mode 100644
index 0000000..e69de29
diff --git a/src/Alias.zig b/src/Alias.zig
new file mode 100644
index 0000000..342b7a1
--- /dev/null
+++ b/src/Alias.zig
@@ -0,0 +1,13 @@
+const MBID = @import("MBID.zig");
+
+pub const Alias = struct {
+    name: []const u8,
+    sort_name: []const u8,
+    type_id: ?MBID,
+    type: ?[]const u8, // Could be an enum
+    locale: ?[]const u8,
+    primary: ?bool,
+    begin: ?i64,
+    end: ?i64,
+    ended: bool,
+};
diff --git a/src/Entities.zig b/src/Entities.zig
new file mode 100644
index 0000000..2b8d756
--- /dev/null
+++ b/src/Entities.zig
@@ -0,0 +1,173 @@
+const MBID = @import("MBID.zig");
+const Alias = @import("Alias.zig");
+
+pub const Artist = struct {
+    id: MBID,
+    name: []const u8,
+    sort_name: []const u8,
+    type_id: null, // Idk what this is
+    type: enum { person, group, orchestra, choir, character, other },
+    disambiguation: []const u8,
+    gender: ?[]const u8,
+    //gender: ?enum {
+    //     male,
+    //     female,
+    //     other
+    //};
+    gender_id: null,
+    country: []const u8,
+    area: ?Area,
+    begin_area: ?Area,
+    end_area: ?Area,
+    life_span: struct { ended: bool, begin: i64, end: i64 },
+    isnis: ?[][]const u8,
+    ipis: ?[][]const u8,
+    aliases: ?[]Alias,
+    annotation: []const u8,
+};
+
+pub const ArtistCredit = struct { artists: []Artist, artists_names: ?[][]const u8, artists_join_phrase: ?[]const u8, mbid: MBID, name: []const u8 };
+
+pub const Event = struct {
+    name: []const u8,
+    type: enum { concert, festival, stage_performance, award_ceremony, launch_event, convention_expo, masterclass_clinic },
+    cancelled: bool,
+    dates: struct { begin: i64, end: i64 },
+    selist: []const u8, //Will need to write a parser for this
+    time: []const u8,
+    aliases: ?[]Alias,
+    disambiguation: []const u8,
+    annotation: []const u8,
+};
+
+pub const Label = struct {
+    name: []const u8,
+    disambiguation: []const u8,
+    type: []enum {
+        imprint,
+        original_production,
+        bootleg_production,
+        reissue_production,
+        distributor,
+        holding,
+        rights_society,
+    },
+    area: []const u8, // This in ISO-3166 format, and is referred to as "Country" on a different page
+    label_code: []const u8,
+    ipi_codes: [][]const u8, // There could be multiple for artists, unsure about albums
+    isni_codes: [][]const u8, // See above
+    date_period: struct { begin_date: i64, end_date: i64 },
+    aliases: ?[]Alias,
+    annotation: []const u8,
+    mbid: MBID,
+};
+
+pub const Place = struct { name: []const u8, type: enum([]const u8) { studio, venue = enum { ampitheatre, club, concert_hall_theatre, festival_stage }, stadium, indoor_arena, educational_institution, park, religious_building, pressing_plant, other }, address: []const u8, coordinates: struct { lat: i32, lon: i32 }, area: ?Area, dates: struct { begin: i64, end: i64 }, aliases: ?[]Alias, mbid: MBID, disambiguation: []const u8, annotation: []const u8 };
+
+pub const Recording = struct {
+    title: []const u8,
+    artists: []Artist,
+    length: f64, // I don't know what this looks like yet
+    isrc: []const u8,
+    mbid: MBID,
+    disambiguation: []const u8,
+    annotation: []const u8,
+};
+
+pub const Release = struct {
+    title: []const u8,
+    artists: []Artist,
+    date: i64,
+    country: []const u8, // Consider making a file that exhaustievly lists ISO-3166 codes
+    catalogue_number: []const u8,
+    barcode: u64,
+    status: enum { official, promotion, bootleg, pseudo_release, withdrawn, expunged, cancelled },
+    packaging: enum { book, box, cardboard_paper_sleeve, cassette_case, clamshell_case, digibook, digifile, digipak, discbox_slider, fatbox, gatefold_cover, jewel_case, keep_case, longbox, metal_tin, plastic_sleeve, slidepack, slim_jewel, snap_case, super_jewel_box, other, none },
+    language: []const u8, // ISO-639-3
+    script: []const u8, // ISO-15924
+    mbid: MBID,
+    disambiguation: []const u8,
+    annotation: []const u8,
+    data_quality: enum {
+        high,
+        default,
+        low,
+    },
+    media: []Medium,
+};
+
+pub const Medium = struct {
+    title: []const u8,
+    format: enum([]const u8) {
+        compact_disc = enum([]const u8) {
+            compact_disc,
+            copy_control_cd,
+            data_cd,
+            dts_cd,
+            enhanced_cd,
+            hdcd,
+            mixed_mode_cd,
+            cd_r,
+            eight_cm_cd,
+            blu_spec_cd,
+            minimax_cd,
+            shm_cd,
+            hqcd,
+            cd_plus_g = enum { cd_plug_g, eight_cm_cd_plus_g },
+        },
+        vinyl = enum([]const u8) { seven_inch_vinyl, ten_inch_vinyl, twelve_inch_vinyl, flexi_disc = enum { flexi_disc, seven_inch_flexi_disc } },
+        digital_media,
+        cassette = enum { cassette, microcassette },
+        dvd = enum { dvd, dvd_audio, dvd_video },
+        sacd = enum([]const u8) { hybrid_sacd = enum { hybrid_sacd, hybrid_sacd_cd_layer, hybrig_sacd_sacd_layer }, shm_sacd },
+        dualdisc = enum {
+            dualdisc,
+            dualdisc_cd_side,
+            dualdisc_dvd_video_side,
+            dualdisc_dvd_audio_side,
+        },
+        minidisc,
+        blu_ray = enum { blu_ray, blu_ray_r },
+        hd_dvd,
+        vcd = enum { vcd, svcd },
+        cdv,
+        umd,
+        shellac = enum {
+            shellac,
+            seven_inch_shellac,
+            ten_inch_shellac,
+            twelve_inch_shellac,
+        },
+        acetate = enum {
+            acetate,
+            seven_inch_acetate,
+            ten_inch_acetate,
+            twelve_inch_acetate,
+        },
+        sd_card = enum { sd_card, slotmusic },
+        other = enum([]const u8) { betamax, cartridge = enum { cartridge, hipac, playtape }, ced, dat, dcc, dvdplus = enum { dvdplus_cd_side, dvd_plus_dvd_video_side, dvd_plus_dvd_audio_side }, edison_diamond_disc, floppy_disk = enum { floppy_disk, three_half_inch_floppy_disk, five_quarter_inch_floppy_disk, zip_disk }, laserdisc = enum { laserdisc, eight_inch_laserdisc, twelve_inch_laserdisc }, music_card, pathe_disc, piano_roll, playbutton, reel_to_reel, tefifon, usb_flash_drive, vhd, vhs, vinyldisc, wax_cylinder },
+    },
+};
+
+//pub const Track
+
+pub const ReleaseGroup = struct {
+    title: []const u8,
+    artists: []Artist, // Mentions using ArtistCredits for multiple artists. Will need to see a JSOn response to know what to do here
+    types: struct { primary: enum([]const u8) { single = enum { us, uk, japan }, ep, broadcast, other }, secondary: ?[]enum([]const u8) { compilation, soundtrack, spokenword, interview, audiobook, audio_drama, live, remix, dj_mix, mixtape_street, demo, field_recording } },
+    mbid: MBID,
+    disambiguation: []const u8,
+    annotation: []const u8,
+};
+
+pub const Series = struct { name: []const u8, type: enum([]const u8) { release_group_series = enum { release_group_series, release_group_award, podcast }, release_series, recording_series = enum { recording_series, recording_award }, work_series = enum { work_series, catalogue, work_award }, artist_series = enum { artist_series, artist_award }, event_series = enum { even_series, tour, festival, run, residency, award_ceremony } }, ordering_type: []const u8, aliases: []Alias, mbid: MBID, disambiguation: []const u8, annotation: []const u8 };
+
+pub const URL = []const u8;
+
+pub const Work = struct { name: []const u8, type: enum { discrete, aggregate }, aliases: []Alias, lyrics_languages: [][]const u8, iswc: []const u8, mbid: MBID, disambiguation: []const u8, annotation: []const u8 };
+
+pub const Area = struct { name: []const u8, type: enum { country, subdivision, county, municipality, city, district, island }, dates: struct { begin: i64, end: i64 }, iso_3166_codes: [][]const u8, aliases: []Alias, mbid: MBID, annotation: []const u8 };
+
+pub const Genre = [][]const u8;
+
+pub const Instrument = struct { name: []const u8, type: enum { wind, string, percussion, electronic, family, ensemble, other }, description: []const u8, aliases: []Alias, mbid: MBID, disambiguation: []const u8, annotation: []const u8 };
diff --git a/src/MBID.zig b/src/MBID.zig
new file mode 100644
index 0000000..05437bc
--- /dev/null
+++ b/src/MBID.zig
@@ -0,0 +1 @@
+pub const MBID = []const u8;