diff --git a/src/reskit/cli/evaluator.rs b/src/reskit/cli/evaluator.rs
index 8582152..97693e6 100644
--- a/src/reskit/cli/evaluator.rs
+++ b/src/reskit/cli/evaluator.rs
@@ -20,11 +20,15 @@ pub fn run_command() -> Result<(), Box<dyn Error>> {
                     TileOrder::Sprite => "sprite"
                 }
             ),
-        Tools::Soundtrack { input_file, output_directory, input_format: _, output_format: _, source_file_format: _, artifact_output_directory } => {
+        Tools::Soundtrack { input_files, output_directory, input_format: _, output_format: _, source_file_format: _, artifact_output_directory } => {
+            if input_files.is_empty() {
+                return Err( "no input files (see `reskit soundtrack --help` for more info)" )?;
+            }
+
             let output_directory = if output_directory.ends_with( "/" ) { output_directory.to_string() } else { format!( "{}/", output_directory ) };
             let artifact_output_directory = if artifact_output_directory.ends_with( "/" ) { artifact_output_directory.to_string() } else { format!( "{}/", artifact_output_directory ) };
 
-            let modules: Vec<DmfModule> = input_file.iter().map( | filename | Ok( DmfModule::from_file( &filename )? ) ).collect::<Result<Vec<DmfModule>, Box<dyn Error>>>()?;
+            let modules: Vec<DmfModule> = input_files.iter().map( | filename | Ok( DmfModule::from_file( &filename )? ) ).collect::<Result<Vec<DmfModule>, Box<dyn Error>>>()?;
 
             let mut combined_asset_list = DmfModule::get_combined_assets_list( artifact_output_directory.clone(), &modules )?;
             if combined_asset_list.instruments.len() > 255 {
diff --git a/src/reskit/cli/settings.rs b/src/reskit/cli/settings.rs
index 9a88113..49d688d 100644
--- a/src/reskit/cli/settings.rs
+++ b/src/reskit/cli/settings.rs
@@ -62,17 +62,17 @@ pub enum Tools {
     },
 
     #[command(name = "soundtrack")]
-    #[command(about = "Generate a console-compatible soundtrack from a sequence file.")]
+    #[command(about = "Generate a soundtrack targeting a console sound driver, from one or more tracker sequence files.")]
     Soundtrack {
         /// Input filename(s)
         #[arg(short, long)]
-        input_file: Vec<String>,
+        input_files: Vec<String>,
 
         /// Output directory
         #[arg(short, long, default_value_t=String::from("./"))]
         output_directory: String,
 
-        /// Input sequence file format (the kind of tracker used to compose the track)
+        /// Input sequence file format (the tracker used to compose the track)
         #[arg(long, value_enum, default_value_t=SequenceFormat::Dmf)]
         input_format: SequenceFormat,