======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '481'
                                          'artist'  'Samuel'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Heart NY (The Megabits Heart LDN Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', '90s emo', 'emo', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '139.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000003D7 000003AD 0000240F 00001D02 00045492 000587EB 00008F42 00008E87 '
 '00060F05 00060F05')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008A0 00000000014426D0 00000000 00B05AF1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TBPM' (BPM (beats per minute))                     '139.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'I Heart NY (The Megabits Heart LDN Remix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Samuel'
'TSSE' (Software/Hardware and settings used for encoding)  'Logic Pro 9.1.1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', '90s emo', 'emo', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+10.55 dB'
'TXXX:replaygain_track_peak'                        '0.169186'

========================== row from database ==========================
                                              'id'  1491838
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/I Heart NY (The Megabits Heart LDN Remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  481
                                           'genre'  electronic-generic or radio
                                        'filesize'  11565286
                                           'mtime'  1637522720
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch electronic generic or radio
                                      'tag_artist'  Samuel
                                     'tag_release'  None
                                       'tag_title'  I Heart NY (The Megabits Heart LDN Remix)
                                             'bpm'  139.9
                                    'search_title'  'heart':2 'i':1 'ldn':7 'megabits':6 'ny':3 'remix':8,9 'the':4,5
                                   'search_artist'  'samuel':1
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'electronic':5 'europe':3 'generic':6 'north':2 'or':7 'radio':8
                                    'search_combo'  '00dutch':14 '00mid':11 'electronic':15 'europe':13 'generic':16 'heart':2A 'i':1A 'ldn':7A 'megabits':6A 'north':12 'ny':3A 'or':17 'radio':18 'remix':8A,9A 'samuel':10B 'the':4A,5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', '90s emo', 'emo', 'female vocalists', 'pop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637522720.012024  (2021-11-21 20:25:20)
                             'size'  11565286