======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '203'
                                          'artist'  'Ill Niño'
                                     'text_people'  'Cristian Machado/Ill Niño'
                                         'release'  'One Nation Underground'
                                           'title'  'In This Moment'
                                           '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-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metalcore', 'rock', 'metal', 'nu metal', 'alternative metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '128.008'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'One Nation Underground'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCOM' (Composer)                                   'Cristian Machado/Ill Niño'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'In This Moment'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '203049'
'TPE1' (Lead performer(s)/Soloist(s))               'Ill Nino'
'TPE2' (Band/orchestra/accompaniment)               'Ill Niño'
'TPUB' (Publisher)                                  'Roadrunner'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metalcore', 'rock', 'metal', 'nu metal', 'alternative metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'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'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.376058'

========================== row from database ==========================
                                              'id'  1394253
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Ill Niño - Ill Nino/ONU/Ill Nino - In This Moment.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  203
                                           'genre'  eid-metal-nu
                                        'filesize'  4875243
                                           'mtime'  1620311076
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Nino ONU Nino eid metal nu
                                      'tag_artist'  Ill Niño
                                     'tag_release'  One Nation Underground
                                       'tag_title'  In This Moment
                                             'bpm'  128.008
                                    'search_title'  'in':1 'moment':3 'this':2
                                   'search_artist'  'ill':1 'nino':2,3
                                  'search_release'  'nation':2 'one':1 'underground':3
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':5 'metal':6 'nino':3 'nu':7 'onu':4
                                    'search_combo'  '00dwimp':10 '00metal':11 'eid':14 'ill':4B 'in':1A 'metal':15 'moment':3A 'nation':8C 'nino':5B,6B,12 'nu':16 'one':7C 'onu':13 'this':2A 'underground':9C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['metalcore', 'rock', 'metal', 'nu metal', 'alternative metal']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311075.8852994  (2021-05-06 16:24:35)
                             'size'  4875243