======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '286'
                                          'artist'  'Aion'
                                     'text_people'  ''
                                         'release'  'Magnitude'
                                           'title'  'Shout Out'
                                           'quals'  ("['Q-LOCALNESS-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['8 of 10 stars', 'polish', 'thrash metal', 'metal', 'gothic metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash;loc-asia-japan'
                                             'bpm'  '100.3'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Magnitude'
'TBPM' (BPM (beats per minute))                     '100.3'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-trash', 'loc-asia-japan']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Shout Out'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aion'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['8 of 10 stars', 'polish', 'thrash metal', 'metal', 'gothic metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.308293'

========================== row from database ==========================
                                              'id'  1391775
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Aion - 2000 Magnitude/05. Shout Out.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  286
                                           'genre'  eid-metal-trash;loc-asia-japan
                                        'filesize'  8035466
                                           'mtime'  1620311484
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2000 05. eid metal trash;loc asia japan
                                      'tag_artist'  Aion
                                     'tag_release'  Magnitude
                                       'tag_title'  Shout Out
                                             'bpm'  100.3
                                    'search_title'  'out':2 'shout':1
                                   'search_artist'  'aion':1
                                  'search_release'  'magnitude':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '05':4,5 '2000':3 'asia':12 'eid':6 'japan':13 'loc':9,11 'metal':7 'trash':8,10
                                    'search_combo'  '00dwimp':5 '00metal':6 '05':8,9 '2000':7 'aion':3B 'asia':16 'eid':10 'japan':17 'loc':13,15 'magnitude':4C 'metal':11 'out':2A 'shout':1A 'trash':12,14
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['8 of 10 stars', 'polish', 'thrash metal', 'metal', 'gothic metal']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311483.5585792  (2021-05-06 16:31:23)
                             'size'  8035466