======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '275'
                                          'artist'  'Mogwai'
                                     'text_people'  ''
                                         'release'  'Happy Songs for Happy People'
                                           'title'  'Killing all the Flies'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'indie', 'alternative', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '139.178'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Happy Songs for Happy People'
'TBPM' (BPM (beats per minute))                     '139.178'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Killing all the Flies'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '275017'
'TPE1' (Lead performer(s)/Soloist(s))               'Mogwai'
'TRCK' (Track number/Position in set)               '4'
'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:lastfmtags'                                   ['instrumental', 'indie', 'alternative', 'post rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.57 dB'
'TXXX:replaygain_track_peak'                        '0.446675'

========================== row from database ==========================
                                              'id'  1354482
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mogwai/Happy Songs For Happy People/04 - Killing all the Flies.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  275
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5507042
                                           'mtime'  1621697469
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic For 04 ifs songwriter indie rock
                                      'tag_artist'  Mogwai
                                     'tag_release'  Happy Songs for Happy People
                                       'tag_title'  Killing all the Flies
                                             'bpm'  139.178
                                    'search_title'  'all':2 'flies':4 'killing':1 'the':3
                                   'search_artist'  'mogwai':1
                                  'search_release'  'for':3 'happy':1 'people':4 'songs':2
                                     'search_rest'  '00poprockelectronic':1 'for':2 'ifs':3 'indie':5 'rock':6 'songwriter':4
                                    'search_combo'  '00poprockelectronic':10 'all':2A 'flies':4A 'for':8C,11 'happy':6C 'ifs':12 'indie':14 'killing':1A 'mogwai':5B 'people':9C 'rock':15 'songs':7C 'songwriter':13 'the':3A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'alternative', 'post rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697469.150952  (2021-05-22 17:31:09)
                             'size'  5507042