diff --git a/pkgs/applications/misc/coltrane/Gemfile b/pkgs/applications/misc/coltrane/Gemfile
new file mode 100644
index 00000000000..58f66b02a9a
--- /dev/null
+++ b/pkgs/applications/misc/coltrane/Gemfile
@@ -0,0 +1,2 @@
+source 'https://rubygems.org'
+gem 'coltrane'
diff --git a/pkgs/applications/misc/coltrane/Gemfile.lock b/pkgs/applications/misc/coltrane/Gemfile.lock
new file mode 100644
index 00000000000..bb733f54288
--- /dev/null
+++ b/pkgs/applications/misc/coltrane/Gemfile.lock
@@ -0,0 +1,45 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (7.0.4.2)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    cli-ui (1.5.1)
+    color (1.8)
+    coltrane (4.1.1)
+      activesupport (> 5.2)
+      color (~> 1.8)
+      dry-monads (~> 0.4)
+      gambiarra (~> 0)
+      paint (~> 2.0)
+    concurrent-ruby (1.2.2)
+    dry-core (0.9.1)
+      concurrent-ruby (~> 1.0)
+      zeitwerk (~> 2.6)
+    dry-equalizer (0.3.0)
+    dry-monads (0.4.0)
+      dry-core (~> 0.3, >= 0.3.3)
+      dry-equalizer
+    gambiarra (0.0.5)
+      activesupport (> 5.2)
+      cli-ui (~> 1.1)
+      thor (~> 1.1.0)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
+    minitest (5.18.0)
+    paint (2.3.0)
+    thor (1.1.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    zeitwerk (2.6.7)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  coltrane
+
+BUNDLED WITH
+   2.3.26
diff --git a/pkgs/applications/misc/coltrane/default.nix b/pkgs/applications/misc/coltrane/default.nix
new file mode 100644
index 00000000000..81d095160e0
--- /dev/null
+++ b/pkgs/applications/misc/coltrane/default.nix
@@ -0,0 +1,23 @@
+{ lib
+, bundlerApp
+, bundlerUpdateScript
+}:
+
+bundlerApp rec {
+  pname = "coltrane";
+  gemdir = ./.;
+  exes = [ "coltrane" ];
+
+  passthru.updateScript = bundlerUpdateScript pname;
+
+  meta = with lib; {
+    homepage = "https://github.com/pedrozath/coltrane";
+    description = "A music calculation library/CLI";
+    longDescription = ''
+      coltrane allows to search for Notes, Chords, Scales for
+      guitar, bass, piano and ukelele
+    '';
+    license = licenses.mit;
+    maintainers = [ maintainers.panaeon ];
+  };
+}
diff --git a/pkgs/applications/misc/coltrane/gemset.nix b/pkgs/applications/misc/coltrane/gemset.nix
new file mode 100644
index 00000000000..3463fc8d66d
--- /dev/null
+++ b/pkgs/applications/misc/coltrane/gemset.nix
@@ -0,0 +1,159 @@
+{
+  activesupport = {
+    dependencies = ["concurrent-ruby" "i18n" "minitest" "tzinfo"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0dmywys50074vj5rivpx188b00qimlc4jn84xzqlialrgp3ckq5f";
+      type = "gem";
+    };
+    version = "7.0.4.2";
+  };
+  cli-ui = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1aghiy4qrh6y6q421lcpal81c98zypj8jki4wymqnc8vjvqsyiv4";
+      type = "gem";
+    };
+    version = "1.5.1";
+  };
+  color = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "10kgsdy86p72q6cf2k92larmbjc0crvd5xq7hy919zm8yvn1518a";
+      type = "gem";
+    };
+    version = "1.8";
+  };
+  coltrane = {
+    dependencies = ["activesupport" "color" "dry-monads" "gambiarra" "paint"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0hchdllbbx2n2fl3ydidl17rsl18mb9953c8k1r6rw1ibzw8sm7f";
+      type = "gem";
+    };
+    version = "4.1.1";
+  };
+  concurrent-ruby = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0krcwb6mn0iklajwngwsg850nk8k9b35dhmc2qkbdqvmifdi2y9q";
+      type = "gem";
+    };
+    version = "1.2.2";
+  };
+  dry-core = {
+    dependencies = ["concurrent-ruby" "zeitwerk"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1dpm9dk11x2zcjsymkl5jcz5nxhffsg7qqy5p6h92cppzbwmm656";
+      type = "gem";
+    };
+    version = "0.9.1";
+  };
+  dry-equalizer = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0rsqpk0gjja6j6pjm0whx2px06cxr3h197vrwxp6k042p52r4v46";
+      type = "gem";
+    };
+    version = "0.3.0";
+  };
+  dry-monads = {
+    dependencies = ["dry-core" "dry-equalizer"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1fbji6crgqh88j0p4j1qlfpjnhyf8h1b991dh5wypib0xwzlc5an";
+      type = "gem";
+    };
+    version = "0.4.0";
+  };
+  gambiarra = {
+    dependencies = ["activesupport" "cli-ui" "thor"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "19kpbqp27fy6w990ciw3vx0z0bdmrcf14fr6dlfcn3r8xqpq56fr";
+      type = "gem";
+    };
+    version = "0.0.5";
+  };
+  i18n = {
+    dependencies = ["concurrent-ruby"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1vdcchz7jli1p0gnc669a7bj3q1fv09y9ppf0y3k0vb1jwdwrqwi";
+      type = "gem";
+    };
+    version = "1.12.0";
+  };
+  minitest = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0ic7i5z88zcaqnpzprf7saimq2f6sad57g5mkkqsrqrcd6h3mx06";
+      type = "gem";
+    };
+    version = "5.18.0";
+  };
+  paint = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1r9vx3wcx0x2xqlh6zqc81wcsn9qjw3xprcsv5drsq9q80z64z9j";
+      type = "gem";
+    };
+    version = "2.3.0";
+  };
+  thor = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "18yhlvmfya23cs3pvhr1qy38y41b6mhr5q9vwv5lrgk16wmf3jna";
+      type = "gem";
+    };
+    version = "1.1.0";
+  };
+  tzinfo = {
+    dependencies = ["concurrent-ruby"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "16w2g84dzaf3z13gxyzlzbf748kylk5bdgg3n1ipvkvvqy685bwd";
+      type = "gem";
+    };
+    version = "2.0.6";
+  };
+  zeitwerk = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "028ld9qmgdllxrl7d0qkl65s58wb1n3gv8yjs28g43a8b1hplxk1";
+      type = "gem";
+    };
+    version = "2.6.7";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9e47311f0e7..195ab5e9155 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2212,6 +2212,8 @@ with pkgs;
 
   collapseos-cvm = callPackage ../applications/emulators/collapseos-cvm { };
 
+  coltrane = callPackage ../applications/misc/coltrane { };
+
   craftos-pc = callPackage ../applications/emulators/craftos-pc { };
 
   darcnes = callPackage ../applications/emulators/darcnes { };