======================== unified (from filesystem) ========================
                                         'bitrate'  '238.18'
                                        'duration'  '262'
                                          'artist'  'Junior Boys'
                                     'text_people'  ''
                                         'release'  'So This Is Goodbye'
                                           'title'  'Double Shadow'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'indie', 'electropop', 'electronic', 'canadian']"
                                     'discogstags'  "['electronic', 'rock', 'synth-pop', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop;set-pl-sced'
                                             'bpm'  '119.900'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000CB1 00000CE1 00008E27'
'COMM:iTunNORM:eng'                                 (' 00000CB1 00000CE1 00008E27 000081C2 000219DC 000219DC 00008000 00008000 '
 '0000E37A 0000BA4C')
'TALB' (Album/Movie/Show title)                     'So This Is Goodbye'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electropop or synthpop', 'set-pl-sced']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'FairStars Audio Converter'
'TIT2' (Title/songname/content description)         'Double Shadow'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Junior Boys'
'TPE2' (Band/orchestra/accompaniment)               'Junior Boys'
'TRCK' (Track number/Position in set)               '01'
'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:discogstags'                                  ['electronic', 'rock', 'synth-pop', 'indie rock']
'TXXX:lastfmtags'                                   ['electronica', 'indie', 'electropop', 'electronic', 'canadian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.417352'

========================== row from database ==========================
                                              'id'  1310646
                                            'path'  /data/Music/Bulk/00poprockelectronic/Junior Boys/[2006] So This Is Goodbye/01 Double Shadow.mp3
                                         'working'  None
                                         'bitrate'  238
                                    'duration_sec'  262
                                           'genre'  electronic-we-electropop or synthpop;set-pl-sced
                                        'filesize'  7817626
                                           'mtime'  1638555006
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2006] 01 electronic we electropop synthpop;set pl sced
                                      'tag_artist'  Junior Boys
                                     'tag_release'  So This Is Goodbye
                                       'tag_title'  Double Shadow
                                             'bpm'  119.9
                                    'search_title'  'double':1 'shadow':2
                                   'search_artist'  'boys':2 'junior':1
                                  'search_release'  'goodbye':4 'is':3 'so':1 'this':2
                                     'search_rest'  '00poprockelectronic':1 '2006':2,3 'electronic':4 'electropop':6 'pl':11 'sced':12 'set':8,10 'synthpop':7,9 'we':5
                                    'search_combo'  '00poprockelectronic':9 '2006':10,11 'boys':4B 'double':1A 'electronic':12 'electropop':14 'goodbye':8C 'is':7C 'junior':3B 'pl':19 'sced':20 'set':16,18 'shadow':2A 'so':5C 'synthpop':15,17 'this':6C 'we':13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'indie', 'electropop', 'electronic', 'canadian']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'synth-pop', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638555006.0775504  (2021-12-03 19:10:06)
                             'size'  7817626