======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '249'
                                          'artist'  'Coldplay'
                                     'text_people'  ''
                                         'release'  'Parachutes'
                                           'title'  'We Never Change'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'britpop', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '93.457'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Parachutes'
'TBPM' (BPM (beats per minute))                     '93.457'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'We Never Change'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Coldplay'
'TRCK' (Track number/Position in set)               '09'
'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', 'alternative rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'britpop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'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'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.534247'

========================== row from database ==========================
                                              'id'  1313348
                                            'path'  /data/Music/Bulk/00poprockelectronic/Coldplay/Parachutes/Coldplay - We Never Change.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  249
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5980998
                                           'mtime'  1637330396
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ifs songwriter indie rock
                                      'tag_artist'  Coldplay
                                     'tag_release'  Parachutes
                                       'tag_title'  We Never Change
                                             'bpm'  93.457
                                    'search_title'  'change':3 'never':2 'we':1
                                   'search_artist'  'coldplay':1
                                  'search_release'  'parachutes':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'indie':4 'rock':5 'songwriter':3
                                    'search_combo'  '00poprockelectronic':6 'change':3A 'coldplay':4B 'ifs':7 'indie':9 'never':2A 'parachutes':5C 'rock':10 'songwriter':8 'we':1A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12B
                                           '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-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'britpop', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1637330395.7962856  (2021-11-19 14:59:55)
                             'size'  5980998