======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '189'
                                          'artist'  'System of a Down'
                                     'text_people'  'D. Malakian/S. Tankian'
                                         'release'  'Hypnotize'
                                           'title'  'Hypnotize'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative metal', 'alternative', 'metal', 'nu metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '102.024'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Hypnotize'
'TBPM' (BPM (beats per minute))                     '102.024'
'TCOM' (Composer)                                   'D. Malakian/S. Tankian'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TCOP' (Copyright message)                          'M.G'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'LAME 3.89'
'TIT2' (Title/songname/content description)         'Hypnotize'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '189440'
'TPE1' (Lead performer(s)/Soloist(s))               'System of a Down'
'TPE2' (Band/orchestra/accompaniment)               'System of a Down'
'TPUB' (Publisher)                                  'Sony'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['alternative metal', 'alternative', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.361010'

========================== row from database ==========================
                                              'id'  1317452
                                            'path'  /data/Music/Bulk/00poprockelectronic/System Of A Down/Hypnotize/System of a Down - Hypnotize - 04 - Hypnotize.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  189
                                           'genre'  eid-metal-nu
                                        'filesize'  4543478
                                           'mtime'  1620311146
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of A 04 eid metal nu
                                      'tag_artist'  System of a Down
                                     'tag_release'  Hypnotize
                                       'tag_title'  Hypnotize
                                             'bpm'  102.024
                                    'search_title'  'hypnotize':1
                                   'search_artist'  'a':3 'down':4 'of':2 'system':1
                                  'search_release'  'hypnotize':1
                                     'search_rest'  '00poprockelectronic':1 'a':3 'eid':4 'metal':5 'nu':6 'of':2
                                    'search_combo'  '00poprockelectronic':7 'a':4B,9 'down':5B 'eid':10 'hypnotize':1A,6C 'metal':11 'nu':12 'of':3B,8 'system':2B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['alternative metal', 'alternative', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311145.8638957  (2021-05-06 16:25:45)
                             'size'  4543478