======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '386'
                                          'artist'  'Efterklang'
                                     'text_people'  ''
                                         'release'  'Tripper'
                                           'title'  'Prey and Predator'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'Q-PLAY-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-vocals-2', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'post rock', 'danish', 'ambient']"
                                     'discogstags'  "['electronic', 'rock', 'leftfield', 'post rock', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '123.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tripper'
'TBPM' (BPM (beats per minute))                     '123.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Prey and Predator'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Efterklang'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'leftfield', 'post rock', 'minimal']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'post rock', 'danish', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.603260'

========================== row from database ==========================
                                              'id'  782774
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Efterklang/Tripper/04 - Efterklang - Prey And Predator.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  386
                                           'genre'  electronic
                                        'filesize'  15457586
                                           'mtime'  1636912420
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 04 And electronic
                                      'tag_artist'  Efterklang
                                     'tag_release'  Tripper
                                       'tag_title'  Prey and Predator
                                             'bpm'  123.9
                                    'search_title'  'and':2 'predator':3 'prey':1
                                   'search_artist'  'efterklang':1
                                  'search_release'  'tripper':1
                                     'search_rest'  'and':1 'electronic':2
                                    'search_combo'  'and':2A,6 'efterklang':4B 'electronic':7 'predator':3A 'prey':1A 'tripper':5C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'post rock', 'danish', 'ambient']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'rock', 'leftfield', 'post rock', 'minimal']

============================== file details ==============================
                                           'mtime'  1636912419.9987526  (2021-11-14 18:53:39)
                             'size'  15457586