======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '193'
                                          'artist'  'The Toasters'
                                     'text_people'  ''
                                         'release'  'Live in London--Disc 1'
                                           'title'  'East Side Beat (Part 2)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska punk', 'two tone', 'third wave ska', 'ska', 'reggae']"
                                     'discogstags'  "['ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '145.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Live in London--Disc 1'
'TBPM' (BPM (beats per minute))                     '145.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'East Side Beat (Part 2)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Toasters'
'TPE2' (Band/orchestra/accompaniment)               'The Toasters'
'TPUB' (Publisher)                                  'Moon Ska Records'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'ska'
'TXXX:lastfmtags'                                   ['ska punk', 'two tone', 'third wave ska', 'ska', 'reggae']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.322858'

========================== row from database ==========================
                                              'id'  1351996
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Toasters/Live in London/cd1/09 - The Toasters - East Side Beat (Part 2).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  193
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  4642700
                                           'mtime'  1620524937
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic cd1 09 loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  The Toasters
                                     'tag_release'  Live in London--Disc 1
                                       'tag_title'  East Side Beat (Part 2)
                                             'bpm'  145.3
                                    'search_title'  '2':6,7 'beat':3 'east':1 'part':4,5 'side':2
                                   'search_artist'  'the':1 'toasters':2
                                  'search_release'  '1':6 'disc':4 'in':2 'live':1 'london':3 'londondisc':5
                                     'search_rest'  '00poprockelectronic':1 'cd1':2 'dancehall':9 'dub':7 'loc':3 'or':6 'reggae':5 'ska':8 'style':4 'unsorted':10
                                    'search_combo'  '00poprockelectronic':16 '1':15C '2':6A,7A 'beat':3A 'cd1':17 'dancehall':24 'disc':13C 'dub':22 'east':1A 'in':11C 'live':10C 'loc':18 'london':12C 'londondisc':14C 'or':21 'part':4A,5A 'reggae':20 'side':2A 'ska':23 'style':19 'the':8B 'toasters':9B 'unsorted':25
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'two tone', 'third wave ska', 'ska', 'reggae']
                                        'tag_date'  1999
                                     'discogstags'  ['ska']

============================== file details ==============================
                                           'mtime'  1620524937.4654868  (2021-05-09 03:48:57)
                             'size'  4642700