======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '112'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  ''
                                         'release'  'Tallahassee'
                                           'title'  'See America Right'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']"
                                     'discogstags'  "['rock', 'folk rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '86.6'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tallahassee'
'TBPM' (BPM (beats per minute))                     '86.6'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'See America Right'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TPE2' (Band/orchestra/accompaniment)               'The Mountain Goats'
'TRCK' (Track number/Position in set)               '08'
'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', 'folk rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.452409'

========================== row from database ==========================
                                              'id'  1333569
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Mountain Goats/Tallahassee/08 - see america right.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  112
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  2695753
                                           'mtime'  1636402041
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 america right ifs songwriter indie unsorted
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  Tallahassee
                                       'tag_title'  See America Right
                                             'bpm'  86.6
                                    'search_title'  'america':2 'right':3 'see':1
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'tallahassee':1
                                     'search_rest'  '00poprockelectronic':1 'america':2 'ifs':4 'indie':6 'right':3 'songwriter':5 'unsorted':7
                                    'search_combo'  '00poprockelectronic':8 'america':2A,9 'goats':6B 'ifs':11 'indie':13 'mountain':5B 'right':3A,10 'see':1A 'songwriter':12 'tallahassee':7C 'the':4B 'unsorted':14
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636402041.248662  (2021-11-08 21:07:21)
                             'size'  2695753