======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '173'
                                          'artist'  'Wilco'
                                     'text_people'  ''
                                         'release'  'The Wilco Book'
                                           'title'  'Hamami'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'alt country', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country-alt'
                                             'bpm'  '140.725'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Disc 2 of 4'
'COMM:ID3v1 Comment:XXX'                            'Disc 2 of 4'
'TALB' (Album/Movie/Show title)                     'The Wilco Book'
'TBPM' (BPM (beats per minute))                     '140.725'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country-alt'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Hamami'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wilco'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'alt country', 'indie rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+7.90 dB'
'TXXX:replaygain_track_peak'                        '0.980359'

========================== row from database ==========================
                                              'id'  1383457
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Wilco - The Wilco Book - 12 - Hamami.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  173
                                           'genre'  loc-namerica-country-alt
                                        'filesize'  6933239
                                           'mtime'  1621630233
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 12 loc namerica country alt
                                      'tag_artist'  Wilco
                                     'tag_release'  The Wilco Book
                                       'tag_title'  Hamami
                                             'bpm'  140.725
                                    'search_title'  'hamami':1
                                   'search_artist'  'wilco':1
                                  'search_release'  'book':3 'the':1 'wilco':2
                                     'search_rest'  '00poprockelectronic':1 'alt':10 'country':9 'files':5,6 'loc':7 'loose':3,4 'namerica':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'alt':15 'book':5C 'country':14 'files':10,11 'hamami':1A 'loc':12 'loose':8,9 'namerica':13 'the':3C 'unsorted':7 'wilco':2B,4C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'alt country', 'indie rock', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621630232.5081663  (2021-05-21 22:50:32)
                             'size'  6933239