======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '240'
                                          'artist'  'Martian Love'
                                     'text_people'  ''
                                         'release'  'Tales of the Red Planet'
                                           'title'  'Fourth from the Sun'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'q-bass-4', 'q-drums-3', "
 "'q-other-2', 'q-piano-2', 'q-vocals-1', 'Q-MIXBEAT-2', 'Q-PLAY-3', "
 "'Q-CHART-1']")
                                      'lastfmtags'  "['downtempo', 'instrumental', 'trip-hop', 'electronic', 'post-rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '93.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tales of the Red Planet'
'TBPM' (BPM (beats per minute))                     '93.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TIT2' (Title/songname/content description)         'Fourth from the Sun'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Martian Love'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['downtempo', 'instrumental', 'trip-hop', 'electronic', 'post-rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.712047'

========================== row from database ==========================
                                              'id'  1485543
                                            'path'  /data/Music/Bulk/00poprockelectronic/Martian Love - Tales Of The Red Planet (2013) (Style Post-rock, Downtempo)/01-fourth_from_the_sun.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  240
                                           'genre'  electronic
                                        'filesize'  5871779
                                           'mtime'  1636914163
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The (2013) (Style Post rock, Downtempo) 01 fourth_from_the_sun electronic
                                      'tag_artist'  Martian Love
                                     'tag_release'  Tales of the Red Planet
                                       'tag_title'  Fourth from the Sun
                                             'bpm'  93.9
                                    'search_title'  'fourth':1 'from':2 'sun':4 'the':3
                                   'search_artist'  'love':2 'martian':1
                                  'search_release'  'of':2 'planet':5 'red':4 'tales':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '2013':4,5 'downtempo':11,12 'electronic':17 'fourth':13 'from':14 'of':2 'post':8 'rock':9,10 'style':6,7 'sun':16 'the':3,15
                                    'search_combo'  '00poprockelectronic':12 '2013':15,16 'downtempo':22,23 'electronic':28 'fourth':1A,24 'from':2A,25 'love':6B 'martian':5B 'of':8C,13 'planet':11C 'post':19 'red':10C 'rock':20,21 'style':17,18 'sun':4A,27 'tales':7C 'the':3A,9C,14,26
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-2', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-3', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['downtempo', 'instrumental', 'trip-hop', 'electronic', 'post-rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914163.4114485  (2021-11-14 19:22:43)
                             'size'  5871779