diff --git a/Cargo.lock b/Cargo.lock
index d01def63..d3b3a568 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -224,6 +224,27 @@ name = "itoa"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "jack"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jack-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "jack-sys"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libloading 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "kernel32-sys"
 version = "0.2.2"
@@ -267,6 +288,16 @@ name = "libc"
 version = "0.2.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "libloading"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "libpulse-sys"
 version = "0.0.0"
@@ -286,6 +317,7 @@ dependencies = [
  "futures 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.11.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jack 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "libpulse-sys 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "librespot-audio 0.1.0",
@@ -1133,6 +1165,8 @@ dependencies = [
 "checksum idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "014b298351066f1512874135335d62a789ffe78a9974f94b43ed5621951eaf7d"
 "checksum iovec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b6e8b9c2247fcf6c6a1151f1156932be5606c9fd6f55a2d7f9fc1cb29386b2f7"
 "checksum itoa 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8324a32baf01e2ae060e9de58ed0bc2320c9a2833491ee36cd3b4c414de4db8c"
+"checksum jack 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)" = "1e15fc592e2e5a74a105ff507083c04db1aa20ba1b90d425362ba000e57422df"
+"checksum jack-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0d4ca501477fd3cd93a36df581046e5d6338ed826cf7e9b8d302603521e6cc3"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
 "checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
@@ -1140,6 +1174,7 @@ dependencies = [
 "checksum lazycell 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a6f08839bc70ef4a3fe1d566d5350f519c5912ea86be0df1740a7d247c7fc0ef"
 "checksum lewton 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0de1cca3399919efa65ae7e01ed6696c961bd0fc9e844c05c80f90b638300bbf"
 "checksum libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "1e5d97d6708edaa407429faa671b942dc0f2727222fb6b6539bf1db936e4b121"
+"checksum libloading 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "fd38073de8f7965d0c17d30546d4bb6da311ab428d1c7a3fc71dff7f9d4979b9"
 "checksum libpulse-sys 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9bb11b06faf883500c1b625cf4453e6c7737e9df9c7ba01df3f84b22b083e4ac"
 "checksum linear-map 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bfae20f6b19ad527b550c223fddc3077a547fc70cda94b9b566575423fd303ee"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
diff --git a/src/keymaster.rs b/core/src/keymaster.rs
similarity index 92%
rename from src/keymaster.rs
rename to core/src/keymaster.rs
index e803a959..a4e0c169 100644
--- a/src/keymaster.rs
+++ b/core/src/keymaster.rs
@@ -1,8 +1,8 @@
 use futures::Future;
 use serde_json;
 
-use core::mercury::MercuryError;
-use core::session::Session;
+use mercury::MercuryError;
+use session::Session;
 
 #[derive(Deserialize, Debug, Clone)]
 #[serde(rename_all = "camelCase")]
diff --git a/core/src/lib.rs b/core/src/lib.rs
index 17515a49..2f00ad39 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -34,6 +34,7 @@ pub mod cache;
 pub mod channel;
 pub mod config;
 pub mod diffie_hellman;
+pub mod keymaster;
 pub mod mercury;
 pub mod session;
 pub mod util;
diff --git a/src/lib.rs b/src/lib.rs
index 09398162..753827c6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -44,7 +44,6 @@ extern crate mdns;
 
 pub mod audio_backend;
 pub mod discovery;
-pub mod keymaster;
 pub mod mixer;
 pub mod player;