======================== unified (from filesystem) ========================
                                         'bitrate'  '170.466'
                                        'duration'  '131'
                                          'artist'  'Monitor'
                                     'text_people'  ''
                                         'release'  'Darker Skratcher'
                                           'title'  'Guardian'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['no wave', 'post punk', 'dark wave', 'experimental']"
                                     'discogstags'  "['electronic', 'drum n bass', 'jungle']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '141.6'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:tagscan:eng'                                  'LAFMS #12 (Vinyl Source)'
'TALB' (Album/Movie/Show title)                     'Darker Skratcher'
'TBPM' (BPM (beats per minute))                     '141.6'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Guardian'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Monitor'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'drum n bass', 'jungle']
'TXXX:lastfmtags'                                   ['no wave', 'post punk', 'dark wave', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.696603'

========================== row from database ==========================
                                              'id'  1372161
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Airway - Darker Scratcher (LAFMS 1980) [224k VBR]/05. Monitor - Guardian.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  131
                                           'genre'  electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2813824
                                           'mtime'  1620346300
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Airway Scratcher (LAFMS 1980) [224k VBR] 05. electronic unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Monitor
                                     'tag_release'  Darker Skratcher
                                       'tag_title'  Guardian
                                             'bpm'  141.6
                                    'search_title'  'guardian':1
                                   'search_artist'  'monitor':1
                                  'search_release'  'darker':1 'skratcher':2
                                     'search_rest'  '05':11,12 '1980':5,6 '224k':7,8 'airway':1 'electronic':13 'lafms':3,4 'mor':23 'pl':18 'scratcher':2 'set':15,17,20,22 'shirleyspinoza':19,21 'unsorted':14,16 'vbr':9,10
                                    'search_combo'  '05':15,16 '1980':9,10 '224k':11,12 'airway':5 'darker':3C 'electronic':17 'guardian':1A 'lafms':7,8 'monitor':2B 'mor':27 'pl':22 'scratcher':6 'set':19,21,24,26 'shirleyspinoza':23,25 'skratcher':4C 'unsorted':18,20 'vbr':13,14
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['no wave', 'post punk', 'dark wave', 'experimental']
                                        'tag_date'  1980
                                     'discogstags'  ['electronic', 'drum n bass', 'jungle']

============================== file details ==============================
                                           'mtime'  1620346299.535211  (2021-05-07 02:11:39)
                             'size'  2813824