======================== unified (from filesystem) ========================
                                         'bitrate'  '223.558'
                                        'duration'  '104'
                                          'artist'  'The Industrialism'
                                     'text_people'  ''
                                         'release'  'Wasted Health'
                                           'title'  'Drowning'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['atmospheric drum and bass', 'electronic', 'breakcore', 'experimental', "
 "'ambient']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '137.758'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Wasted Health'
'TBPM' (BPM (beats per minute))                     '137.758'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Drowning'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Industrialism'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['atmospheric drum and bass',
 'electronic',
 'breakcore',
 'experimental',
 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.93 dB'
'TXXX:replaygain_track_peak'                        '0.500618'

========================== row from database ==========================
                                              'id'  1313571
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/The Industrialism - Wasted Health (2013) [mp3-V0]/The Industrialism - Wasted Health - 08 Drowning.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  104
                                           'genre'  electronic
                                        'filesize'  3088494
                                           'mtime'  1636913495
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer (2013) [mp3 V0] 08 electronic
                                      'tag_artist'  The Industrialism
                                     'tag_release'  Wasted Health
                                       'tag_title'  Drowning
                                             'bpm'  137.758
                                    'search_title'  'drowning':1
                                   'search_artist'  'industrialism':2 'the':1
                                  'search_release'  'health':2 'wasted':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2013':3,4 'electronic':9 'mp3':5,6 'v0':7,8
                                    'search_combo'  '00calmer':7 '00poprockelectronic':6 '2013':8,9 'drowning':1A 'electronic':14 'health':5C 'industrialism':3B 'mp3':10,11 'the':2B 'v0':12,13 'wasted':4C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['atmospheric drum and bass', 'electronic', 'breakcore', 'experimental', 'ambient']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913495.4303393  (2021-11-14 19:11:35)
                             'size'  3088494