======================== unified (from filesystem) ========================
                                         'bitrate'  '79.356'
                                        'duration'  '140'
                                          'artist'  'Aksak Maboul'
                                     'text_people'  ''
                                         'release'  'Dimitri - Folk, Rock, Pop & Instruments'
                                           'title'  'Saure Gurke'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  ("['avant-garde', 'progressive rock', 'rio', 'rock in opposition', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '94.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Folk, Rock, Pop & Instruments'
'TBPM' (BPM (beats per minute))                     '94.2'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Saure Gurke'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aksak Maboul'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['avant-garde', 'progressive rock', 'rio', 'rock in opposition', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.58 dB'
'TXXX:replaygain_track_peak'                        '0.413144'

========================== row from database ==========================
                                              'id'  1477533
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FolkRockPopInstrumentals/Aksak Maboul _ Saure Gurke _ 1977-bLW2zPUawS4.mp3
                                         'working'  None
                                         'bitrate'  79
                                    'duration_sec'  140
                                           'genre'  ifs-songwriter
                                        'filesize'  1398940
                                           'mtime'  1637329481
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FolkRockPopInstrumentals _ _ 1977 bLW2zPUawS4 ifs songwriter
                                      'tag_artist'  Aksak Maboul
                                     'tag_release'  Dimitri - Folk, Rock, Pop & Instruments
                                       'tag_title'  Saure Gurke
                                             'bpm'  94.2
                                    'search_title'  'gurke':2 'saure':1
                                   'search_artist'  'aksak':1 'maboul':2
                                  'search_release'  'dimitri':1 'folk':2,3 'instruments':7 'pop':6 'rock':4,5
                                     'search_rest'  '1977':2 'b':10 'blw2zpuaws4':3 'folk':6 'folkrockpopinstrumentals':1 'ifs':4 'instrumentals':9 'lw2z':11 'pop':8 'puaw':12 'rock':7 's4':13 'songwriter':5
                                    'search_combo'  '1977':13 'aksak':3B 'b':21 'blw2zpuaws4':14 'dimitri':5C 'folk':6C,7C,17 'folkrockpopinstrumentals':12 'gurke':2A 'ifs':15 'instrumentals':20 'instruments':11C 'lw2z':22 'maboul':4B 'pop':10C,19 'puaw':23 'rock':8C,9C,18 's4':24 'saure':1A 'songwriter':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['avant-garde', 'progressive rock', 'rio', 'rock in opposition', 'experimental']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329481.2251472  (2021-11-19 14:44:41)
                             'size'  1398940