======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '92'
                                          'artist'  'Pierre Mancini XM Radio'
                                     'text_people'  ''
                                         'release'  'Bob Dylan - Theme Time 14 Devil'
                                           'title'  'Closing'
                                           'quals'  ("['Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', "
 "'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['theme time radio hour', 'dylan']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '18'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '84.987'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000097B 0000016E 000094D3'
'COMM:iTunNORM:eng'                                 (' 0000097B 0000016E 000094D3 000042D1 00014500 00014500 00005323 0000554A '
 '00004D8D 00004D8D')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000900 00000000003E7B70 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Bob Dylan - Theme Time 14 Devil'
'TBPM' (BPM (beats per minute))                     '84.987'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'Closing'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pierre Mancini XM Radio'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18/18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['theme time radio hour', 'dylan']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.406771'

========================== row from database ==========================
                                              'id'  309827
                                            'path'  /data/Music/Bulk/0nonmusic/TTRH-14-Devil/18. Pierre Mancini XM Radio - Closing.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  92
                                           'genre'  set-th-novelty
                                        'filesize'  1860441
                                           'mtime'  1620343501
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic TTRH 18. set th novelty
                                      'tag_artist'  Pierre Mancini XM Radio
                                     'tag_release'  Bob Dylan - Theme Time 14 Devil
                                       'tag_title'  Closing
                                             'bpm'  84.987
                                    'search_title'  'closing':1
                                   'search_artist'  'mancini':2 'pierre':1 'radio':4 'xm':3
                                  'search_release'  'bob':1 'devil':5 'dylan':2 'theme':3 'time':4
                                     'search_rest'  '0nonmusic':1 '18':3,4 'novelty':7 'set':5 'th':6 'ttrh':2
                                    'search_combo'  '0nonmusic':11 '18':13,14 'bob':6C 'closing':1A 'devil':10C 'dylan':7C 'mancini':3B 'novelty':17 'pierre':2B 'radio':5B 'set':15 'th':16 'theme':8C 'time':9C 'ttrh':12 'xm':4B
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['theme time radio hour', 'dylan']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343500.6090696  (2021-05-07 01:25:00)
                             'size'  1860441