======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '355'
                                          'artist'  'Matthias Boss and Paulo Chagas'
                                     'text_people'  ''
                                         'release'  'Classwar Karaoke - 0017 Survey'
                                           'title'  'Nothing to do'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '52'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '143.925'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Classwar Karaoke - 0017 Survey'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          ('Creative Commons Attribution-NonCommercial-NoDerivatives (aka Music '
 'Sharing): http://creativecommons.org/licenses/by-nc-nd/3.0/')
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Nothing to do'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Matthias Boss and Paulo Chagas'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '52'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.417278'

========================== row from database ==========================
                                              'id'  1365101
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/FluiD - 2012 - classwar karaoke - 0017 survey/matthias boss and paulo chagas - classwar karaoke - 0017 survey - 52 - nothing to do.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  355
                                           'genre'  electronic-unsorted
                                        'filesize'  14206651
                                           'mtime'  1622758901
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FluiD 2012 classwar karaoke survey matthias boss paulo chagas classwar karaoke survey 52 nothing electronic unsorted
                                      'tag_artist'  Matthias Boss and Paulo Chagas
                                     'tag_release'  Classwar Karaoke - 0017 Survey
                                       'tag_title'  Nothing to do
                                             'bpm'  143.925
                                    'search_title'  'do':3 'nothing':1 'to':2
                                   'search_artist'  'and':3 'boss':2 'chagas':5 'matthias':1 'paulo':4
                                  'search_release'  'classwar':1 'karaoke':2 'survey':3
                                     'search_rest'  '2012':2 '52':10 'boss':7 'chagas':9 'classwar':3 'd':15 'electronic':12 'flui':14 'fluid':1 'karaoke':4 'matthias':6 'nothing':11 'paulo':8 'survey':5 'unsorted':13
                                    'search_combo'  '2012':13 '52':21 'and':6B 'boss':5B,18 'chagas':8B,20 'classwar':9C,14 'd':26 'do':3A 'electronic':23 'flui':25 'fluid':12 'karaoke':10C,15 'matthias':4B,17 'nothing':1A,22 'paulo':7B,19 'survey':11C,16 'to':2A 'unsorted':24
                                    'tag_tracknum'  52
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622758900.8226764  (2021-06-04 00:21:40)
                             'size'  14206651