======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '203'
                                          'artist'  'kraftwerk'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'We Are The Robots'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'electronica', 'electro', 'electronic', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '120.974'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '120.974'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TIT2' (Title/songname/content description)         'We Are The Robots'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'kraftwerk'
'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:lastfmtags'                                   ['german', 'electronica', 'electro', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.632699'

========================== row from database ==========================
                                              'id'  1312745
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/kraftwerk - We Are The Robots.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  203
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  3262655
                                           'mtime'  1628353803
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] electronic electropop or synthpop
                                      'tag_artist'  kraftwerk
                                     'tag_release'  None
                                       'tag_title'  We Are The Robots
                                             'bpm'  120.974
                                    'search_title'  'are':2 'robots':4 'the':3 'we':1
                                   'search_artist'  'kraftwerk':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'electropop':8 'files':5,6 'loose':3,4 'or':9 'synthpop':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'are':2A 'electronic':12 'electropop':13 'files':10,11 'kraftwerk':5B 'loose':8,9 'or':14 'robots':4A 'synthpop':15 'the':3A 'unsorted':7 'we':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'electronica', 'electro', 'electronic', 'synthpop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353802.785558  (2021-08-07 18:30:02)
                             'size'  3262655