======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '226'
                                          'artist'  'Kraftwerk'
                                     'text_people'  ''
                                         'release'  'Die Mensch-Maschine'
                                           'title'  'Das Modell'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'electronica', 'electro', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '145.895'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Die Mensch-Maschine'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Das Modell'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kraftwerk'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'electro']
'TXXX:lastfmtags'                                   ['german', 'electronica', 'electro', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.56 dB'
'TXXX:replaygain_track_peak'                        '0.824067'

========================== row from database ==========================
                                              'id'  1283560
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kraftwerk/MBZ;#Kraftwerk;#Die Mensch-Maschine;#04;#Das Modell.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  226
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  9046804
                                           'mtime'  1628353802
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Kraftwerk;#Die Maschine;#04;#Das electronic electropop or synthpop
                                      'tag_artist'  Kraftwerk
                                     'tag_release'  Die Mensch-Maschine
                                       'tag_title'  Das Modell
                                             'bpm'  145.895
                                    'search_title'  'das':1 'modell':2
                                   'search_artist'  'kraftwerk':1
                                  'search_release'  'die':1 'maschine':3 'mensch':2 'menschmaschine':4
                                     'search_rest'  '00poprockelectronic':1 '04':9,12 'das':10,13 'die':4,7 'electronic':14 'electropop':15 'kraftwerk':3,6 'maschine':8,11 'mbz':2,5 'or':16 'synthpop':17
                                    'search_combo'  '00poprockelectronic':8 '04':16,19 'das':1A,17,20 'die':4C,11,14 'electronic':21 'electropop':22 'kraftwerk':3B,10,13 'maschine':6C,15,18 'mbz':9,12 'mensch':5C 'menschmaschine':7C 'modell':2A 'or':23 'synthpop':24
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'electronica', 'electro', 'electronic', 'synthpop']
                                        'tag_date'  1978
                                     'discogstags'  ['electronic', 'electro']

============================== file details ==============================
                                           'mtime'  1628353802.2074833  (2021-08-07 18:30:02)
                             'size'  9046804