======================== unified (from filesystem) ========================
                                         'bitrate'  '255.638'
                                        'duration'  '289'
                                          'artist'  'Blaue Blume'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Before the Sun Blows Up Our Lungs'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'danish', 'alternative', 'dansk', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '145.790'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Before the Sun Blows Up Our Lungs'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Blaue Blume'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'danish', 'alternative', 'dansk', 'indie rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.333812'

========================== row from database ==========================
                                              'id'  1385345
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/09 Before The Sun Blows Up Our Lungs.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  289
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  9246757
                                           'mtime'  1637330415
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 09 The ifs songwriter indie rock
                                      'tag_artist'  Blaue Blume
                                     'tag_release'  None
                                       'tag_title'  Before the Sun Blows Up Our Lungs
                                             'bpm'  145.79
                                    'search_title'  'before':1 'blows':4 'lungs':7 'our':6 'sun':3 'the':2 'up':5
                                   'search_artist'  'blaue':1 'blume':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'ifs':8 'indie':10 'loose':3,4 'rock':11 'songwriter':9 'the':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'before':1A 'blaue':8B 'blows':4A 'blume':9B 'files':14,15 'ifs':17 'indie':19 'loose':12,13 'lungs':7A 'our':6A 'rock':20 'songwriter':18 'sun':3A 'the':2A,16 'unsorted':11 'up':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'danish', 'alternative', 'dansk', 'indie rock']
                                        'tag_date'  2015
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330414.8220093  (2021-11-19 15:00:14)
                             'size'  9246757