======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '270'
                                          'artist'  'Dinosaur Jr.'
                                     'text_people'  ''
                                         'release'  'Bug'
                                           'title'  'They Always Come'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'grunge', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '104.283'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bug'
'TBPM' (BPM (beats per minute))                     '104.283'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'They Always Come'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '270550'
'TPE1' (Lead performer(s)/Soloist(s))               'Dinosaur Jr.'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'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', 'alternative', 'grunge', 'indie rock', 'rock']
'TXXX:original release date'                        ['1988', '2005']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.449440'

========================== row from database ==========================
                                              'id'  1354889
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dinosaur Jr/Bug/03 - Dinosaur Jr. - They Always Come.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  270
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6505493
                                           'mtime'  1621697419
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 ifs songwriter indie rock
                                      'tag_artist'  Dinosaur Jr.
                                     'tag_release'  Bug
                                       'tag_title'  They Always Come
                                             'bpm'  104.283
                                    'search_title'  'always':2 'come':3 'they':1
                                   'search_artist'  'dinosaur':1 'jr':2,3
                                  'search_release'  'bug':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':2 'indie':4 'rock':5 'songwriter':3
                                    'search_combo'  '00poprockelectronic':8 'always':2A 'bug':7C 'come':3A 'dinosaur':4B 'ifs':9 'indie':11 'jr':5B,6B 'rock':12 'songwriter':10 'they':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'grunge', 'indie rock', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697418.9282982  (2021-05-22 17:30:18)
                             'size'  6505493