======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '514'
                                          'artist'  'Grobschnitt'
                                     'text_people'  ''
                                         'release'  'progsoup 15'
                                           'title'  'Du schaffst das nicht'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive', 'german', 'krautrock', 'rock', 'progressive rock', "
 "'psychedelic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '08'
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '136.092'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'progsoup 15'
'TBPM' (BPM (beats per minute))                     '136.092'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1979'
'TENC' (Encoded by)                                 'diving-duck'
'TIT2' (Title/songname/content description)         'Du schaffst das nicht'
'TKEY' (Initial key)                                '9B'
'TLAN' (Language(s))                                'Deutsch/German'
'TLEN' (Length)                                     '514680'
'TPE1' (Lead performer(s)/Soloist(s))               'Grobschnitt'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18/08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['progressive',
 'german',
 'krautrock',
 'rock',
 'progressive rock',
 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.37 dB'
'TXXX:replaygain_track_peak'                        '0.417557'

========================== row from database ==========================
                                              'id'  1410922
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 15/854 Grobschnitt - Du schaffst das nicht.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  514
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  12357504
                                           'mtime'  1620736526
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 854 rock cppex progressive;set pl progspace
                                      'tag_artist'  Grobschnitt
                                     'tag_release'  progsoup 15
                                       'tag_title'  Du schaffst das nicht
                                             'bpm'  136.092
                                    'search_title'  'das':3 'du':1 'nicht':4 'schaffst':2
                                   'search_artist'  'grobschnitt':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '854':3 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '854':9 'classicprogpsy':7 'cppex':11 'das':3A 'du':1A 'grobschnitt':5B 'nicht':4A 'pl':16 'progressive':12,14 'progsoup':6C,8 'progspace':17 'rock':10 'schaffst':2A 'set':13,15
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive', 'german', 'krautrock', 'rock', 'progressive rock', 'psychedelic']
                                        'tag_date'  1979
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736525.6470797  (2021-05-11 14:35:25)
                             'size'  12357504