diff --git a/src/access_level.rs b/src/access_level.rs
index a51dcef..3c828e1 100644
--- a/src/access_level.rs
+++ b/src/access_level.rs
@@ -12,7 +12,7 @@ pub struct AccessLevel {
 impl Default for AccessLevel {
     fn default() -> Self {
         AccessLevel {
-            id: uuid::Uuid::new_v4(),
+            id: uuid::Uuid::nil(),
             level: String::new(),
             song_id: uuid::Uuid::new_v4(),
         }
@@ -21,7 +21,7 @@ impl Default for AccessLevel {
 
 pub fn default_level() -> AccessLevel {
     AccessLevel {
-        id: uuid::Uuid::new_v4(),
+        id: uuid::Uuid::nil(),
         level: String::from("Public"),
         song_id: uuid::Uuid::new_v4(),
     }
diff --git a/src/coverart.rs b/src/coverart.rs
index 09be846..1af0ae7 100644
--- a/src/coverart.rs
+++ b/src/coverart.rs
@@ -15,7 +15,7 @@ pub mod init {
 
     pub fn init_coverart_only_path(path: String) -> CoverArt {
         CoverArt {
-            id: uuid::Uuid::new_v4(),
+            id: uuid::Uuid::nil(),
             title: String::new(),
             path: path.clone(),
             data: Vec::new(),
diff --git a/src/login_result.rs b/src/login_result.rs
index c4b6740..29d60d9 100644
--- a/src/login_result.rs
+++ b/src/login_result.rs
@@ -15,7 +15,7 @@ pub struct LoginResult {
 impl Default for LoginResult {
     fn default() -> Self {
         LoginResult {
-            id: uuid::Uuid::new_v4(),
+            id: uuid::Uuid::nil(),
             username: String::new(),
             token: String::new(),
             token_type: String::new(),
diff --git a/src/song.rs b/src/song.rs
index bf277ff..5ed3440 100644
--- a/src/song.rs
+++ b/src/song.rs
@@ -227,9 +227,9 @@ mod embedded {
     // The song's duration is a floating point in seconds
     #[derive(Clone, Debug, Deserialize, Serialize)]
     pub struct Song {
-        #[serde(skip_serializing_if = "is_embed_zero")]
+        #[serde(skip_serializing_if = "init::is_uuid_nil")]
         #[serde(alias = "id")]
-        pub id: i32,
+        pub id: uuid::Uuid,
         #[serde(skip_serializing_if = "String::is_empty")]
         pub title: String,
         #[serde(skip_serializing_if = "String::is_empty")]
@@ -240,17 +240,17 @@ mod embedded {
         pub album_artist: String,
         #[serde(skip_serializing_if = "String::is_empty")]
         pub genre: String,
-        #[serde(skip_serializing_if = "is_embed_zero")]
+        #[serde(skip_serializing_if = "init::is_embed_zero")]
         pub year: i32,
-        #[serde(skip_serializing_if = "is_embed_dur_not_set")]
+        #[serde(skip_serializing_if = "init::is_embed_dur_not_set")]
         pub duration: f64,
-        #[serde(skip_serializing_if = "is_embed_zero")]
+        #[serde(skip_serializing_if = "init::is_embed_zero")]
         pub track: i32,
-        #[serde(skip_serializing_if = "is_embed_zero")]
+        #[serde(skip_serializing_if = "init::is_embed_zero")]
         pub disc: i32,
-        #[serde(skip_serializing_if = "is_embed_zero")]
+        #[serde(skip_serializing_if = "init::is_embed_zero")]
         pub disc_count: i32,
-        #[serde(skip_serializing_if = "is_embed_zero")]
+        #[serde(skip_serializing_if = "init::is_embed_zero")]
         pub track_count: i32,
         #[serde(skip_serializing_if = "String::is_empty")]
         pub audio_type: String,
@@ -258,7 +258,7 @@ mod embedded {
         pub date_created: String,
         #[serde(skip_serializing_if = "String::is_empty")]
         pub filename: String,
-        #[serde(skip_serializing_if = "is_embed_zero")]
+        #[serde(skip_serializing_if = "init::is_embed_zero")]
         pub user_id: i32,
         #[serde(skip)]
         pub data: Vec<u8>,
@@ -274,18 +274,11 @@ mod embedded {
         // pub coverart_id: i32,
     }
 
-    fn is_embed_zero(num: &i32) -> bool {
-        *num == 0
-    }
-
-    fn is_embed_dur_not_set(num: &f64) -> bool {
-        *num == 0.0
-    }
 
     impl Default for Song {
         fn default() -> Self {
             Song {
-                id: 0,
+                id: uuid::Uuid::nil(),
                 title: String::new(),
                 artist: String::new(),
                 album: String::new(),