# Composer
```bash
curl -sS https://getcomposer.org/installer | php
php composer.phar install
```

# Env vars
```bash
cp .env.shadow .env
vim .env
```


# output dir
```bash
mkdir output
```

Use command line tool and pass two parameter as starting from and ending at
```bash
php  DIG-3573_add_songwriter.php 150 500
```