Changing WordPress Theme Customizer default options

functions.php

$wp_customize->get_setting( 'blogname'          )->transport = 'postMessage';
$wp_customize->get_setting( 'blogdescription'   )->transport = 'postMessage';
$wp_customize->get_setting( 'header_textcolor'  )->transport = 'postMessage';
$wp_customize->get_control( 'background_color'  )->section   = 'background_image';
$wp_customize->get_section( 'background_image'  )->title     = 'Background Settings';
$wp_customize->get_section( 'title_tagline'     )->title     = 'Site Title / Logo';
$wp_customize->get_section( 'static_front_page' )->title     = 'Home Page Settings';
$wp_customize->get_section( 'static_front_page' )->priority  = 29;