======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '1130'
                                          'artist'  'CAN'
                                     'text_people'  'Karoli / Czukay / Liebezeit / Schmidt'
                                         'release'  'The Peel Sessions'
                                           'title'  'Up the Bakerloo Line With Anne'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']"
                                     'discogstags'  "['krautrock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '6'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '143.213'
                                             'key'  '12B'
                                        'acoustid'  '994fb01f-4887-4759-9da6-578927d13891'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Peel Sessions'
'TBPM' (BPM (beats per minute))                     '143.213'
'TCOM' (Composer)                                   'Karoli / Czukay / Liebezeit / Schmidt'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Up the Bakerloo Line With Anne'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'CAN'
'TPE2' (Band/orchestra/accompaniment)               'CAN'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Strange Fruit'
'TRCK' (Track number/Position in set)               '1/6'
'TSO2'                                              'Can'
'TSOP' (Performer sort order)                       'Can'
'TXXX:Acoustid Id'                                  '994fb01f-4887-4759-9da6-578927d13891'
'TXXX:BARCODE'                                      '5017644213524'
'TXXX:CATALOGNUMBER'                                'SFRCD135'
'TXXX:MusicBrainz Album Artist Id'                  '13501c7d-d181-45ba-af52-5f101d8516a0'
'TXXX:MusicBrainz Album Id'                         '81ae80b1-39ac-4a92-8527-f817b9936001'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        '13501c7d-d181-45ba-af52-5f101d8516a0'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['krautrock', 'rock']
'TXXX:lastfmtags'                                   ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.87 dB'
'TXXX:replaygain_track_peak'                        '0.479818'

========================== row from database ==========================
                                              'id'  1413521
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Can - 1995 (1975) -The Peel Sessions [Strange Fruit]/01-Up The Bakerloo Line With Anne.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  1130
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  27141156
                                           'mtime'  1636918164
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Can 1995 (1975) [Strange Fruit] 01 rock cppex experimental or noise
                                      'tag_artist'  CAN
                                     'tag_release'  The Peel Sessions
                                       'tag_title'  Up the Bakerloo Line With Anne
                                             'bpm'  143.213
                                    'search_title'  'anne':6 'bakerloo':3 'line':4 'the':2 'up':1 'with':5
                                   'search_artist'  'can':1
                                  'search_release'  'peel':2 'sessions':3 'the':1
                                     'search_rest'  '1975':4,5 '1995':3 'can':2 'classicprogpsy':1 'cppex':11 'experimental':12 'fruit':8,9 'noise':14 'or':13 'rock':10 'strange':6,7
                                    'search_combo'  '1975':14,15 '1995':13 'anne':6A 'bakerloo':3A 'can':7B,12 'classicprogpsy':11 'cppex':21 'experimental':22 'fruit':18,19 'line':4A 'noise':24 'or':23 'peel':9C 'rock':20 'sessions':10C 'strange':16,17 'the':2A,8C 'up':1A 'with':5A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
                                        'tag_date'  1995
                                     'discogstags'  ['krautrock', 'rock']

============================== file details ==============================
                                           'mtime'  1636918164.3381174  (2021-11-14 20:29:24)
                             'size'  27141156