======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'Moloko'
                                     'text_people'  'Mark Brydon & Roisin Murphy'
                                         'release'  'I Am Not A Doctor'
                                           'title'  'Sing It Back'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'house', 'female vocalists', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'trip hop', 'drum n bass', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '15'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz;set-pl-sced'
                                             'bpm'  '123.1'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000005F8 000005EC 000077BB 00005B07 00014E2F 00014E2F 00008F22 000093A7 '
 '00027FB1 0003B097')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009CC 0000000000B22DA4 00000000 0060EA9D 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '15+EE04E6940F39BC57C9E49362C76EF84F+6282487'
'TALB' (Album/Movie/Show title)                     'I Am Not A Doctor'
'TBPM' (BPM (beats per minute))                     '123.1'
'TCOM' (Composer)                                   'Mark Brydon & Roisin Murphy'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-trip hop or downtempo or acid jazz', 'set-pl-sced']
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'Sing It Back'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Moloko'
'TPE2' (Band/orchestra/accompaniment)               'Moloko'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/15'
'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', 'trip hop', 'drum n bass', 'house']
'TXXX:lastfmtags'                                   ['dance', 'house', 'female vocalists', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.08 dB'
'TXXX:replaygain_track_peak'                        '0.705941'

========================== row from database ==========================
                                              'id'  1296935
                                            'path'  /data/Music/Bulk/00poprockelectronic/Moloko/[1998] I Am Not A Doctor/07 Sing It Back.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  electronic-trip hop or downtempo or acid jazz;set-pl-sced
                                        'filesize'  6394260
                                           'mtime'  1636911346
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [1998] 07 electronic trip hop downtempo acid jazz;set pl sced
                                      'tag_artist'  Moloko
                                     'tag_release'  I Am Not A Doctor
                                       'tag_title'  Sing It Back
                                             'bpm'  123.1
                                    'search_title'  'back':3 'it':2 'sing':1
                                   'search_artist'  'moloko':1
                                  'search_release'  'a':4 'am':2 'doctor':5 'i':1 'not':3
                                     'search_rest'  '00poprockelectronic':1 '1998':2,3 'acid':8 'downtempo':7 'electronic':4 'hop':6 'jazz':9,11 'pl':13 'sced':14 'set':10,12 'trip':5
                                    'search_combo'  '00poprockelectronic':10 '1998':11,12 'a':8C 'acid':17 'am':6C 'back':3A 'doctor':9C 'downtempo':16 'electronic':13 'hop':15 'i':5C 'it':2A 'jazz':18,20 'moloko':4B 'not':7C 'pl':22 'sced':23 'set':19,21 'sing':1A 'trip':14
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'female vocalists', 'electronic', 'electronica']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'trip hop', 'drum n bass', 'house']

============================== file details ==============================
                                           'mtime'  1636911346.2216408  (2021-11-14 18:35:46)
                             'size'  6394260