======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '532'
                                          'artist'  'Aion'
                                     'text_people'  ''
                                         'release'  'Magnitude'
                                           'title'  'Peter Fourteenth/Short-Lived'
                                           'quals'  ("['Q-LOCALNESS-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'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'  '14'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash;loc-asia-japan'
                                             'bpm'  '138.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Magnitude'
'TBPM' (BPM (beats per minute))                     '138.0'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-trash', 'loc-asia-japan']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Peter Fourteenth/Short-Lived'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aion'
'TRCK' (Track number/Position in set)               '14'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.431305'

========================== row from database ==========================
                                              'id'  1395687
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Aion - 2000 Magnitude/14. Peter Fourteenth-Short-Lived.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  532
                                           'genre'  eid-metal-trash;loc-asia-japan
                                        'filesize'  14905063
                                           'mtime'  1620311484
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2000 14. eid metal trash;loc asia japan
                                      'tag_artist'  Aion
                                     'tag_release'  Magnitude
                                       'tag_title'  Peter Fourteenth/Short-Lived
                                             'bpm'  138.0
                                    'search_title'  'fourteenth':2 'fourteenthshortlived':5 'lived':4 'peter':1 'short':3
                                   'search_artist'  'aion':1
                                  'search_release'  'magnitude':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '14':4,5 '2000':3 'asia':12 'eid':6 'japan':13 'loc':9,11 'metal':7 'trash':8,10
                                    'search_combo'  '00dwimp':8 '00metal':9 '14':11,12 '2000':10 'aion':6B 'asia':19 'eid':13 'fourteenth':2A 'fourteenthshortlived':5A 'japan':20 'lived':4A 'loc':16,18 'magnitude':7C 'metal':14 'peter':1A 'short':3A 'trash':15,17
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['8 of 10 stars', 'polish', 'thrash metal', 'metal', 'gothic metal']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311484.3238134  (2021-05-06 16:31:24)
                             'size'  14905063