======================== unified (from filesystem) ========================
                                         'bitrate'  '203.705'
                                        'duration'  '281'
                                          'artist'  'The Changelings'
                                     'text_people'  ''
                                         'release'  'Mercury'
                                           'title'  'Swoon'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', "
 "'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ambient', 'female vocalists', 'new age', 'gothic', 'ethereal', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '4'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic;eid-goth or gothrock-gothrock'
                                             'bpm'  '130.063'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Mercury'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'eid-goth or gothrock-gothrock', 'electronic']
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Swoon'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Changelings'
'TRCK' (Track number/Position in set)               '3/4'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['ambient', 'female vocalists', 'new age', 'gothic', 'ethereal', 'rock']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+7.86 dB'
'TXXX:replaygain_track_peak'                        '0.126442'

========================== row from database ==========================
                                              'id'  1356410
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/The Changelings - Mercury/03 Swoon.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  281
                                           'genre'  electronic;eid-goth or gothrock-gothrock
                                        'filesize'  7249797
                                           'mtime'  1636913479
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 03 electronic;eid goth or gothrock gothrock
                                      'tag_artist'  The Changelings
                                     'tag_release'  Mercury
                                       'tag_title'  Swoon
                                             'bpm'  130.063
                                    'search_title'  'swoon':1
                                   'search_artist'  'changelings':2 'the':1
                                  'search_release'  'mercury':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'eid':4,6 'electronic':3,5 'goth':7 'gothrock':9 'or':8
                                    'search_combo'  '00calmer':6 '00poprockelectronic':5 'changelings':3B 'eid':8,10 'electronic':7,9 'goth':11 'gothrock':13 'mercury':4C 'or':12 'swoon':1A 'the':2B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'female vocalists', 'new age', 'gothic', 'ethereal', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636913478.7214596  (2021-11-14 19:11:18)
                             'size'  7249797