======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '162'
                                          'artist'  'The Redneck Manifesto'
                                     'text_people'  ''
                                         'release'  'Thirtysixstrings'
                                           'title'  'Sweet pot'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['math rock', 'instrumental', 'irish', 'indie', 'post rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock;set-pl-sced'
                                             'bpm'  '130.7'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00002B63 00002743 0000AE2B 0000DF05 0000A4CB 0001E3C6 00008E3A 00009120 '
 '0000F605 0000D200')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A2C 00000000006D3344 00000000 003B60D1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+5024AB39F1CE6BC9405BFA90F7ED583A+1370953'
'TALB' (Album/Movie/Show title)                     'Thirtysixstrings'
'TBPM' (BPM (beats per minute))                     '130.7'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-rock', 'set-pl-sced']
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'iTunes v7.5'
'TIT2' (Title/songname/content description)         'Sweet pot'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Redneck Manifesto'
'TPE2' (Band/orchestra/accompaniment)               'The Redneck Manifesto'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['math rock', 'instrumental', 'irish', 'indie', 'post rock']
'TXXX:q-bass'                                       '4'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.306101'

========================== row from database ==========================
                                              'id'  1390225
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Redneck Manifesto/[1998] Thirtysixstrings/02 Sweet pot.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  162
                                           'genre'  ifs-songwriter-indie-rock;set-pl-sced
                                        'filesize'  4169677
                                           'mtime'  1636403418
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock [1998] 02 ifs songwriter indie rock;set pl sced
                                      'tag_artist'  The Redneck Manifesto
                                     'tag_release'  Thirtysixstrings
                                       'tag_title'  Sweet pot
                                             'bpm'  130.7
                                    'search_title'  'pot':2 'sweet':1
                                   'search_artist'  'manifesto':3 'redneck':2 'the':1
                                  'search_release'  'thirtysixstrings':1
                                     'search_rest'  '00poprockelectronic':1 '1998':4,5 'ifs':6 'indie':8 'indierock':3 'pl':13 'poprock':2 'rock':9,11 'sced':14 'set':10,12 'songwriter':7
                                    'search_combo'  '00poprockelectronic':7 '1998':10,11 'ifs':12 'indie':14 'indierock':9 'manifesto':5B 'pl':19 'poprock':8 'pot':2A 'redneck':4B 'rock':15,17 'sced':20 'set':16,18 'songwriter':13 'sweet':1A 'the':3B 'thirtysixstrings':6C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['math rock', 'instrumental', 'irish', 'indie', 'post rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636403417.5246167  (2021-11-08 21:30:17)
                             'size'  4169677