diff --git a/README.md b/README.md
index ae875e3..7081fc7 100644
--- a/README.md
+++ b/README.md
@@ -9,8 +9,9 @@ npm install songshowplus-parser --save
 ```
 
 ## Usage
+Simply import and create a new instance of `SongShowPlus`, then pass the contents of a SSP7 file as a string to the `.parse()` method.
 
-TypeScript projects
+### For TypeScript projects
 ```
 import {readFile} from 'fs';
 import { SongShowPlus } from 'songshowplus-parser';
@@ -18,12 +19,12 @@ import { SongShowPlus } from 'songshowplus-parser';
 const sspParser = new SongShowPlus();
 
 readFile('Be Near.sbsong', (contents) => {
-  const song = sspParser.parse(contents);
+  const song = sspParser.parse(contents.toString());
   console.log(song);
 });
 ```
 
-JavaScript projects
+### For JavaScript projects
 ```
 const fs = require('fs');
 const { SongShowPlus } = require('songshowplus-parser');
@@ -31,7 +32,7 @@ const { SongShowPlus } = require('songshowplus-parser');
 const sspParser = new SongShowPlus();
 
 fs.readFile('Be Near.sbsong', (contents) => {
-  const song = sspParser.parse(contents);
+  const song = sspParser.parse(contents.toString());
   console.log(song);
 });
 ```
diff --git a/package.json b/package.json
index b97c2ff..4840c2c 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "dist/module",
     "!**/*.spec.*",
     "!**/*.json",
+    "!**/*.tsbuildinfo*",
     "LICENSE",
     "README.md"
   ],
diff --git a/src/index.spec.ts b/src/index.spec.ts
index 60ad1f5..61d7b52 100644
--- a/src/index.spec.ts
+++ b/src/index.spec.ts
@@ -13,7 +13,7 @@ describe('SongShowPlus', (): void => {
   });
 
   it('should return a song for an ENGLISH SongShow Plus 7 file: "Be Near.sbsong"', () => {
-    const testFile = readFileSync('./sample-files/Be Near.sbsong');
+    const testFile = readFileSync('./sample-files/Be Near.sbsong').toString();
 
     expect(sspParser.parse(testFile)).toEqual({
       title: 'Be Near',
@@ -56,7 +56,7 @@ describe('SongShowPlus', (): void => {
   });
 
   it('should return a song for an ENGLISH SongShow Plus 7 file: "Give Us Clean Hands.sbsong"', () => {
-    const testFile = readFileSync('./sample-files/Give Us Clean Hands.sbsong');
+    const testFile = readFileSync('./sample-files/Give Us Clean Hands.sbsong').toString();
 
     expect(sspParser.parse(testFile)).toEqual({
       title: 'Give Us Clean Hands',
@@ -85,7 +85,7 @@ describe('SongShowPlus', (): void => {
   });
 
   it('should return a song for an ENGLISH SongShow Plus 7 file: "Jesus Saves.sbsong"', () => {
-    const testFile = readFileSync('./sample-files/Jesus Saves.sbsong');
+    const testFile = readFileSync('./sample-files/Jesus Saves.sbsong').toString();
 
     expect(sspParser.parse(testFile)).toEqual({
       title: 'Jesus Saves (2)',
@@ -138,7 +138,7 @@ describe('SongShowPlus', (): void => {
   });
 
   it('should return a song for an ENGLISH SongShow Plus 7 file: "You Are.sbsong"', () => {
-    const testFile = readFileSync('./sample-files/You Are.sbsong');
+    const testFile = readFileSync('./sample-files/You Are.sbsong').toString();
 
     expect(sspParser.parse(testFile)).toEqual({
       title: 'You Are (2)',
@@ -172,7 +172,7 @@ describe('SongShowPlus', (): void => {
   });
 
   it('should return a song for a SPANISH SongShow Plus 7 file: "Devuelveme El Gozo.sbsong"', () => {
-    const testFile = readFileSync('./sample-files/Devuelveme El Gozo.sbsong');
+    const testFile = readFileSync('./sample-files/Devuelveme El Gozo.sbsong').toString();
 
     expect(sspParser.parse(testFile)).toEqual({
       title: 'Devuelveme El Gozo',
@@ -196,7 +196,7 @@ describe('SongShowPlus', (): void => {
   });
 
   it('should return a song for a SPANISH SongShow Plus 7 file: "La Sangre (The Blood).sbsong"', () => {
-    const testFile = readFileSync('./sample-files/La Sangre (The Blood).sbsong');
+    const testFile = readFileSync('./sample-files/La Sangre (The Blood).sbsong').toString();
 
     expect(sspParser.parse(testFile)).toEqual({
       title: 'La Sangre (The Blood)',
diff --git a/src/index.ts b/src/index.ts
index c34b8d4..6b3ce2f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -10,11 +10,7 @@ export class SongShowPlus {
 
   private readonly textCleaner = new TextCleaner();
 
-  parse(fileContent: string | Buffer): ISongShowPlusSong {
-    if (fileContent instanceof Buffer) {
-      fileContent = fileContent.toString();
-    }
-
+  parse(fileContent: string): ISongShowPlusSong {
     let title = '';
     let artist = '';
     let copyright = '';
diff --git a/src/models.d.ts b/src/models.ts
similarity index 100%
rename from src/models.d.ts
rename to src/models.ts