======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '218'
                                          'artist'  'Johnny Cash'
                                     'text_people'  'Trent Reznor'
                                         'release'  'American IV: Man Comes Around'
                                           'title'  'Hurt'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-1', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'singer songwritergdchill', 'cover', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '89.6'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'American IV: Man Comes Around'
'TBPM' (BPM (beats per minute))                     '89.6'
'TCOM' (Composer)                                   'Trent Reznor'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'dBpoweramp Release 13.3'
'TIT2' (Title/songname/content description)         'Hurt'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Cash'
'TPE2' (Band/orchestra/accompaniment)               'Johnny Cash'
'TPUB' (Publisher)                                  'Universal Distribution'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'singer songwritergdchill', 'cover', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.352180'

========================== row from database ==========================
                                              'id'  1324008
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/02 Hurt.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  218
                                           'genre'  loc-namerica-country
                                        'filesize'  8801107
                                           'mtime'  1621630240
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 02 loc namerica country
                                      'tag_artist'  Johnny Cash
                                     'tag_release'  American IV: Man Comes Around
                                       'tag_title'  Hurt
                                             'bpm'  89.6
                                    'search_title'  'hurt':1
                                   'search_artist'  'cash':2 'johnny':1
                                  'search_release'  'american':1 'around':6 'comes':5 'iv':2,3 'man':4
                                     'search_rest'  '00poprockelectronic':1 'country':5 'loc':3 'namerica':4 'set':2
                                    'search_combo'  '00poprockelectronic':10 'american':4C 'around':9C 'cash':3B 'comes':8C 'country':14 'hurt':1A 'iv':5C,6C 'johnny':2B 'loc':12 'man':7C 'namerica':13 'set':11
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['country', 'singer songwritergdchill', 'cover', 'singer songwriter']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630239.6455245  (2021-05-21 22:50:39)
                             'size'  8801107