======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '194'
                                          'artist'  'Death Cab For Cutie'
                                     'text_people'  ''
                                         'release'  'Plans'
                                           'title'  'Summer Skin'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'emo', 'indie rock', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '91.6'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:½\x16\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xbd\x16\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Plans'
'TBPM' (BPM (beats per minute))                     '91.6'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Summer Skin'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Death Cab For Cutie'
'TRCK' (Track number/Position in set)               '3/11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'emo', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.508722'

========================== row from database ==========================
                                              'id'  1286380
                                            'path'  /data/Music/Bulk/00poprockelectronic/Death Cab For Cutie/Plans/03 summer skin.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  194
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6261471
                                           'mtime'  1637330400
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 summer skin ifs songwriter indie rock
                                      'tag_artist'  Death Cab For Cutie
                                     'tag_release'  Plans
                                       'tag_title'  Summer Skin
                                             'bpm'  91.6
                                    'search_title'  'skin':2 'summer':1
                                   'search_artist'  'cab':2 'cutie':4 'death':1 'for':3
                                  'search_release'  'plans':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'rock':7 'skin':3 'songwriter':5 'summer':2
                                    'search_combo'  '00poprockelectronic':8 'cab':4B 'cutie':6B 'death':3B 'for':5B 'ifs':11 'indie':13 'plans':7C 'rock':14 'skin':2A,10 'songwriter':12 'summer':1A,9
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'emo', 'indie rock', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1637330399.8292491  (2021-11-19 14:59:59)
                             'size'  6261471