======================== unified (from filesystem) ========================
                                         'bitrate'  '182.965'
                                        'duration'  '213'
                                          'artist'  'The Postal Service'
                                     'text_people'  ''
                                         'release'  'Such Great Heights [Single]'
                                           'title'  "There's Never Enough Time"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '100.009'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Such Great Heights [Single]'
'TBPM' (BPM (beats per minute))                     '100.009'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "There's Never Enough Time"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Postal Service'
'TRCK' (Track number/Position in set)               '2'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.84 dB'
'TXXX:replaygain_track_peak'                        '0.493302'

========================== row from database ==========================
                                              'id'  1513753
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Postal Service/There_s Never Enough Time.mp3
                                         'working'  None
                                         'bitrate'  183
                                    'duration_sec'  213
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  4881289
                                           'mtime'  1638554462
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos There_s ifs songwriter indie unsorted
                                      'tag_artist'  The Postal Service
                                     'tag_release'  Such Great Heights [Single]
                                       'tag_title'  There's Never Enough Time
                                             'bpm'  100.009
                                    'search_title'  'enough':5 'never':4 's':2 'there':1 'theres':3 'time':6
                                   'search_artist'  'postal':2 'service':3 'the':1
                                  'search_release'  'great':2 'heights':3 'single':4,5 'such':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':6 'indie':7 's':5 'songwriter':2 'there':4 'unsorted':8
                                    'search_combo'  '00singer':15 'enough':5A 'eos':17 'great':11C 'heights':12C 'ifs':20 'indie':21 'never':4A 'postal':8B 's':2A,19 'service':9B 'single':13C,14C 'songwriter':16 'such':10C 'the':7B 'there':1A,18 'theres':3A 'time':6A 'unsorted':22
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1638554461.8712516  (2021-12-03 19:01:01)
                             'size'  4881289