======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '214'
                                          'artist'  'Deftones'
                                     'text_people'  ''
                                         'release'  'The Matrix'
                                           'title'  'My Own Summer (Shove It)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '143.823'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Matrix'
'TBPM' (BPM (beats per minute))                     '143.823'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'My Own Summer (Shove It)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deftones'
'TRCK' (Track number/Position in set)               '9'
'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 rock', 'alternative', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.11 dB'
'TXXX:replaygain_track_peak'                        '0.401666'

========================== row from database ==========================
                                              'id'  1297011
                                            'path'  /data/Music/Bulk/00poprockelectronic/Deftones/MBZ;#Deftones;#The Matrix;#09;#My Own Summer (Shove It).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  214
                                           'genre'  eid-metal-nu
                                        'filesize'  5153213
                                           'mtime'  1620311110
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Deftones;#The Matrix;#09;#My eid metal nu
                                      'tag_artist'  Deftones
                                     'tag_release'  The Matrix
                                       'tag_title'  My Own Summer (Shove It)
                                             'bpm'  143.823
                                    'search_title'  'it':6,7 'my':1 'own':2 'shove':4,5 'summer':3
                                   'search_artist'  'deftones':1
                                  'search_release'  'matrix':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '09':9,12 'deftones':3,6 'eid':14 'matrix':8,11 'mbz':2,5 'metal':15 'my':10,13 'nu':16 'the':4,7
                                    'search_combo'  '00poprockelectronic':11 '09':19,22 'deftones':8B,13,16 'eid':24 'it':6A,7A 'matrix':10C,18,21 'mbz':12,15 'metal':25 'my':1A,20,23 'nu':26 'own':2A 'shove':4A,5A 'summer':3A 'the':9C,14,17
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311110.3675623  (2021-05-06 16:25:10)
                             'size'  5153213