======================== unified (from filesystem) ========================
                                         'bitrate'  '179.305'
                                        'duration'  '185'
                                          'artist'  'Beirut'
                                     'text_people'  ''
                                         'release'  'The Flying Club Cup'
                                           'title'  'The Flying Club Cup'
                                           '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-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'indie folk', 'folk']"
                                     'discogstags'  "['rock', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '144.130'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Flying Club Cup'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'The Flying Club Cup'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Beirut'
'TRCK' (Track number/Position in set)               '13'
'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']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'indie folk', 'folk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.372757'

========================== row from database ==========================
                                              'id'  340745
                                            'path'  /data/Music/Bulk/00localcharacter/Beirut/The Flying Club Cup/13 The Flying Club Cup.mp3
                                         'working'  None
                                         'bitrate'  179
                                    'duration_sec'  185
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  4155392
                                           'mtime'  1636402035
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 13 ifs songwriter indie unsorted
                                      'tag_artist'  Beirut
                                     'tag_release'  The Flying Club Cup
                                       'tag_title'  The Flying Club Cup
                                             'bpm'  144.13
                                    'search_title'  'club':3 'cup':4 'flying':2 'the':1
                                   'search_artist'  'beirut':1
                                  'search_release'  'club':3 'cup':4 'flying':2 'the':1
                                     'search_rest'  'ifs':1 'indie':3 'songwriter':2 'unsorted':4
                                    'search_combo'  'beirut':5B 'club':3A,8C 'cup':4A,9C 'flying':2A,7C 'ifs':10 'indie':12 'songwriter':11 'the':1A,6C 'unsorted':13
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'indie folk', 'folk']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'folk']

============================== file details ==============================
                                           'mtime'  1636402034.9319584  (2021-11-08 21:07:14)
                             'size'  4155392