Use FieldSet fields in a SOQL Query

/**
*    @Description: This method returns a list of FieldSetMember as per the Object and Field Set Name
*    @Arguments: NA
*    @Return: List<Schema.FieldSetMember>
**/
private List<Schema.FieldSetMember> getFields() {
	
	/** @Description: Account is the object and FieldSetName is the API Name of the FieldSet **/
	return SObjectType.Account.FieldSets.FieldSetName.getFields();
}

/**
*    @Description: This method returns the query string
*    @Arguments: NA
*    @Return: String
**/
private String getQuery() {
	String query = 'SELECT ';
	for(Schema.FieldSetMember f : getFields()) {
		query += f.getFieldPath() + ', ';
	}
	query += 'Id FROM Account LIMIT 2000';
	return query;
}