======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '191'
                                          'artist'  'Roberto Jacketti & the Scooter'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Save the Day'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['home collection', 'pop', 'all', 'the netherlands', 'happy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '111.149'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '111.149'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'I Save the Day'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roberto Jacketti & the Scooter'
'TXXX:Mp3gain_minmax'                               '000,194'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['home collection', 'pop', 'all', 'the netherlands', 'happy']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.24 dB'
'TXXX:replaygain_track_peak'                        '0.540850'

========================== row from database ==========================
                                              'id'  1406277
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Roberto Jacketti & the Scooter - I Save the Day.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  191
                                           'genre'  electronic-unsorted
                                        'filesize'  3072865
                                           'mtime'  1621786522
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat electronic unsorted
                                      'tag_artist'  Roberto Jacketti & the Scooter
                                     'tag_release'  None
                                       'tag_title'  I Save the Day
                                             'bpm'  111.149
                                    'search_title'  'day':4 'i':1 'save':2 'the':3
                                   'search_artist'  'jacketti':2 'roberto':1 'scooter':4 'the':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'trapbeat':4 'unsorted':6
                                    'search_combo'  '00poprockelectronic':9 'dance':11 'day':4A 'electronic':13 'generic':10 'i':1A 'jacketti':6B 'roberto':5B 'save':2A 'scooter':8B 'the':3A,7B 'trapbeat':12 'unsorted':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['home collection', 'pop', 'all', 'the netherlands', 'happy']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621786521.5693257  (2021-05-23 18:15:21)
                             'size'  3072865