======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '143'
                                          'artist'  'Lindsay Cooper'
                                     'text_people'  ''
                                         'release'  "A Classic Guide to No Man's Land"
                                           'title'  'Paulskirche'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rio', 'progressive rock', 'avant garde', 'avant prog', 'modern composition']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '140.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "A Classic Guide to No Man's Land"
'TBPM' (BPM (beats per minute))                     '140.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Paulskirche'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lindsay Cooper'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rio', 'progressive rock', 'avant garde', 'avant prog', 'modern composition']
'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-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.810847'

========================== row from database ==========================
                                              'id'  1522483
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Etron Fou Leloublan - a classic guide to no man_s land (1985-88)/14 - lindsay cooper - paulskirche.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  143
                                           'genre'  electronic-experimental
                                        'filesize'  5739378
                                           'mtime'  1636916853
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Etron Fou Leloublan classic guide no man_s land (1985 88) 14 lindsay cooper paulskirche electronic experimental
                                      'tag_artist'  Lindsay Cooper
                                     'tag_release'  A Classic Guide to No Man's Land
                                       'tag_title'  Paulskirche
                                             'bpm'  140.3
                                    'search_title'  'paulskirche':1
                                   'search_artist'  'cooper':2 'lindsay':1
                                  'search_release'  'a':1 'classic':2 'guide':3 'land':9 'man':6 'mans':8 'no':5 's':7 'to':4
                                     'search_rest'  '1985':10,11 '88':12,13 'classic':4 'cooper':15 'electronic':17 'etron':1 'experimental':18 'fou':2 'guide':5 'land':9 'leloublan':3 'lindsay':14 'man':7 'no':6 'paulskirche':16 's':8
                                    'search_combo'  '1985':22,23 '88':24,25 'a':4C 'classic':5C,16 'cooper':3B,27 'electronic':29 'etron':13 'experimental':30 'fou':14 'guide':6C,17 'land':12C,21 'leloublan':15 'lindsay':2B,26 'man':9C,19 'mans':11C 'no':8C,18 'paulskirche':1A,28 's':10C,20 'to':7C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-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-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rio', 'progressive rock', 'avant garde', 'avant prog', 'modern composition']
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916853.2742867  (2021-11-14 20:07:33)
                             'size'  5739378