======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '300'
                                          'artist'  'In Flames'
                                     'text_people'  ''
                                         'release'  'Reroute to Remain'
                                           'title'  'Trigger'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-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-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '123.181'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Reroute to Remain'
'TBPM' (BPM (beats per minute))                     '123.181'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Trigger'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '300721'
'TPE1' (Lead performer(s)/Soloist(s))               'In Flames'
'TPE2' (Band/orchestra/accompaniment)               'In Flames'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.67 dB'
'TXXX:replaygain_track_peak'                        '0.427445'

========================== row from database ==========================
                                              'id'  1287463
                                            'path'  /data/Music/Bulk/00poprockelectronic/swedish rock/In Flames - Trigger.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  300
                                           'genre'  rock-pop
                                        'filesize'  4826721
                                           'mtime'  1678553317
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic swedish rock rock pop
                                      'tag_artist'  In Flames
                                     'tag_release'  Reroute to Remain
                                       'tag_title'  Trigger
                                             'bpm'  123.181
                                    'search_title'  'trigger':1
                                   'search_artist'  'flames':2 'in':1
                                  'search_release'  'remain':3 'reroute':1 'to':2
                                     'search_rest'  '00poprockelectronic':1 'pop':4 'rock':3 'swedish':2
                                    'search_combo'  '00poprockelectronic':7 'flames':3B 'in':2B 'pop':10 'remain':6C 'reroute':4C 'rock':9 'swedish':8 'to':5C 'trigger':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-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-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['swedish', 'death metal', 'melodic death metal', 'metal', 'swedish metal']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1678553316.9408367  (2023-03-11 17:48:36)
                             'size'  4826721