======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '163'
                                          'artist'  'System of a Down'
                                     'text_people'  'D. Malakian'
                                         'release'  'Hypnotize'
                                           'title'  "She's Like Heroin"
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative metal', 'alternative', 'metal', 'nu metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '127.685'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Hypnotize'
'TBPM' (BPM (beats per minute))                     '127.685'
'TCOM' (Composer)                                   'D. Malakian'
'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)         "She's Like Heroin"
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '164160'
'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)               '10'
'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'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.85 dB'
'TXXX:replaygain_track_peak'                        '0.370565'

========================== row from database ==========================
                                              'id'  1517807
                                            'path'  /data/Music/Bulk/00poprockelectronic/System Of A Down/Hypnotize/System of a Down - Hypnotize - 10 - She_s Like Heroin.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  163
                                           'genre'  eid-metal-nu
                                        'filesize'  3937510
                                           'mtime'  1620311146
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of A 10 She_s eid metal nu
                                      'tag_artist'  System of a Down
                                     'tag_release'  Hypnotize
                                       'tag_title'  She's Like Heroin
                                             'bpm'  127.685
                                    'search_title'  'heroin':5 'like':4 's':2 'she':1 'shes':3
                                   'search_artist'  'a':3 'down':4 'of':2 'system':1
                                  'search_release'  'hypnotize':1
                                     'search_rest'  '00poprockelectronic':1 'a':3 'eid':6 'metal':7 'nu':8 'of':2 's':5 'she':4
                                    'search_combo'  '00poprockelectronic':11 'a':8B,13 'down':9B 'eid':16 'heroin':5A 'hypnotize':10C 'like':4A 'metal':17 'nu':18 'of':7B,12 's':2A,15 'she':1A,14 'shes':3A 'system':6B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['alternative metal', 'alternative', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311145.9000568  (2021-05-06 16:25:45)
                             'size'  3937510