======================== unified (from filesystem) ========================
                                         'bitrate'  '196.78'
                                        'duration'  '130'
                                          'artist'  'Doodooettes'
                                     'text_people'  ''
                                         'release'  'Darker Skratcher'
                                           'title'  'Pork Had Better Behave'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['aleatoric', 'avant-garde', 'noise', 'experimental', 'electro-acoustic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '109.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:tagscan:eng'                                  'LAFMS #12 (Vinyl Source)'
'TALB' (Album/Movie/Show title)                     'Darker Skratcher'
'TBPM' (BPM (beats per minute))                     '109.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Pork Had Better Behave'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Doodooettes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['aleatoric', 'avant-garde', 'noise', 'experimental', 'electro-acoustic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.63 dB'
'TXXX:replaygain_track_peak'                        '0.787307'

========================== row from database ==========================
                                              'id'  1368060
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Airway - Darker Scratcher (LAFMS 1980) [224k VBR]/06. Doodooettes - Pork Had Better Behave.mp3
                                         'working'  None
                                         'bitrate'  196
                                    'duration_sec'  130
                                           'genre'  electronic-unsorted
                                        'filesize'  3215232
                                           'mtime'  1620516634
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Airway Scratcher (LAFMS 1980) [224k VBR] 06. electronic unsorted
                                      'tag_artist'  Doodooettes
                                     'tag_release'  Darker Skratcher
                                       'tag_title'  Pork Had Better Behave
                                             'bpm'  109.2
                                    'search_title'  'behave':4 'better':3 'had':2 'pork':1
                                   'search_artist'  'doodooettes':1
                                  'search_release'  'darker':1 'skratcher':2
                                     'search_rest'  '06':11,12 '1980':5,6 '224k':7,8 'airway':1 'electronic':13 'lafms':3,4 'scratcher':2 'unsorted':14 'vbr':9,10
                                    'search_combo'  '06':18,19 '1980':12,13 '224k':14,15 'airway':8 'behave':4A 'better':3A 'darker':6C 'doodooettes':5B 'electronic':20 'had':2A 'lafms':10,11 'pork':1A 'scratcher':9 'skratcher':7C 'unsorted':21 'vbr':16,17
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['aleatoric', 'avant-garde', 'noise', 'experimental', 'electro-acoustic']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620516634.1795788  (2021-05-09 01:30:34)
                             'size'  3215232