======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '1948'
                                          'artist'  'Glass Orchestra Toronto'
                                     'text_people'  ''
                                         'release'  'Live In Frankfurt'
                                           'title'  'Euroglass No.8'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'Q-OLDST-3', 'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['experimental', 'orchestral', 'ambient', 'avant-garde', 'interesting']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-shirleyspinoza'
                                             'bpm'  '141.5'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live In Frankfurt'
'TBPM' (BPM (beats per minute))                     '141.5'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-shirleyspinoza']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Euroglass No.8'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Glass Orchestra Toronto'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['experimental', 'orchestral', 'ambient', 'avant-garde', 'interesting']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+4.43 dB'
'TXXX:replaygain_track_peak'                        '0.998721'

========================== row from database ==========================
                                              'id'  1379825
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Glass Orchestra Toronto - Live in Frankfurt 1980/01 Euroglass No 8.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  1948
                                           'genre'  electronic-unsorted;set-pl-shirleyspinoza
                                        'filesize'  77953660
                                           'mtime'  1621044034
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm in 1980 01 electronic unsorted;set pl shirleyspinoza
                                      'tag_artist'  Glass Orchestra Toronto
                                     'tag_release'  Live In Frankfurt
                                       'tag_title'  Euroglass No.8
                                             'bpm'  141.5
                                    'search_title'  '8':3 'euroglass':1 'no':2 'no8':4
                                   'search_artist'  'glass':1 'orchestra':2 'toronto':3
                                  'search_release'  'frankfurt':3 'in':2 'live':1
                                     'search_rest'  '1980':2 'electronic':3 'in':1 'pl':8 'set':5,7 'shirleyspinoza':9 'unsorted':4,6
                                    'search_combo'  '1980':12 '8':3A 'electronic':13 'euroglass':1A 'frankfurt':10C 'glass':5B 'in':9C,11 'live':8C 'no':2A 'no8':4A 'orchestra':6B 'pl':18 'set':15,17 'shirleyspinoza':19 'toronto':7B 'unsorted':14,16
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'orchestral', 'ambient', 'avant-garde', 'interesting']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621044034.3690264  (2021-05-15 04:00:34)
                             'size'  77953660