======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'Gimmik'
                                     'text_people'  ''
                                         'release'  'Back to Basics'
                                           'title'  "Let's Play Cricket"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-calmer;set-pl-mor'
                                             'bpm'  '108.4'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Back to Basics'
'TBPM' (BPM (beats per minute))                     '108.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-glitch-calmer', 'set-pl-mor', 'set-pl-mor']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "Let's Play Cricket"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gimmik'
'TRCK' (Track number/Position in set)               '1'
'TXXX:MusicBrainz Album Id'                         '64039dfe-9bc8-473d-870f-b5640e7b9625'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f47e4a14-b2b8-439c-948a-a2022ed1ea03'
'TXXX:MusicBrainz TRM Id'                           '0f9a4644-dfeb-4afc-982e-7d7eeeb9425b'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.386842'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'30f5e68a-f3d9-4051-8627-76c8e5544643')

========================== row from database ==========================
                                              'id'  1502363
                                            'path'  /data/Music/Bulk/00poprockelectronic/Gimmik/Back to Basics/gimmik 01- let_s play cricket.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  electronic-experimental-glitch-calmer;set-pl-mor
                                        'filesize'  6350720
                                           'mtime'  1636136286
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic gimmik 01 let_s play cricket electronic experimental glitch calmer;set pl mor
                                      'tag_artist'  Gimmik
                                     'tag_release'  Back to Basics
                                       'tag_title'  Let's Play Cricket
                                             'bpm'  108.4
                                    'search_title'  'cricket':5 'let':1 'lets':3 'play':4 's':2
                                   'search_artist'  'gimmik':1
                                  'search_release'  'back':1 'basics':3 'to':2
                                     'search_rest'  '00poprockelectronic':1 'calmer':10,12 'cricket':6 'electronic':7 'experimental':8 'gimmik':2 'glitch':9 'let':3 'mor':15 'pl':14 'play':5 's':4 'set':11,13
                                    'search_combo'  '00poprockelectronic':10 'back':7C 'basics':9C 'calmer':19,21 'cricket':5A,15 'electronic':16 'experimental':17 'gimmik':6B,11 'glitch':18 'let':1A,12 'lets':3A 'mor':24 'pl':23 'play':4A,14 's':2A,13 'set':20,22 'to':8C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'glitch', 'idm', 'ambient', 'electronic', 'experimental']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636136285.5559566  (2021-11-05 19:18:05)
                             'size'  6350720