======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Cliff Martinez'
                                     'text_people'  ''
                                         'release'  'Drive (Original Motion Picture Soundtrack)'
                                           'title'  'See You in Four'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['soundtrack', 'deepspaceone', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  ("['electronic', 'stage & screen', 'soundtrack', 'electro', 'score', "
 "'synth-pop', 'ambient']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '19'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies;electronic-unsorted'
                                             'bpm'  '136.9'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Drive (Original Motion Picture Soundtrack)'
'TBPM' (BPM (beats per minute))                     '136.9'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video-movies', 'electronic-unsorted']
'TCOP' (Copyright message)                          '℗ 2011 Lakeshore Records'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'See You in Four'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cliff Martinez'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/19'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf57.71.100'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:TCMP'                                         '1'
'TXXX:account_id'                                   'jpraup@gmail.com'
'TXXX:account_type'                                 '0'
'TXXX:compatible_brands'                            'M4A mp42isom'
'TXXX:discogstags'                                  ['electronic',
 'stage & screen',
 'soundtrack',
 'electro',
 'score',
 'synth-pop',
 'ambient']
'TXXX:gapless_playback'                             '0'
'TXXX:iTunMOVI'                                     ('<?xml version="1.0" encoding="UTF-8"?>\n'
 '<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" '
 '"http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n'
 '<plist version="1.0">\n'
 '<dict>\n'
 '\t<key>asset-info</key>\n'
 '\t<dict>\n'
 '\t\t<key>file-size</key>\n'
 '\t\t<integer>5695528</integer>\n'
 '\t\t<key>flavor</key>\n'
 '\t\t<string>2:256</string>\n'
 '\t</dict>\n'
 '</dict>\n'
 '</plist>\n')
'TXXX:iTunNORM'                                     (' 000001AF 0000018C 00001669 000013BE 000204A5 00015C4D 00004639 00004EB3 '
 '0002078C 00010252')
'TXXX:iTunSMPB'                                     (' 00000000 00000840 00000204 00000000006A21BC 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TXXX:lastfmtags'                                   ['soundtrack', 'deepspaceone', 'electronic', 'chillout', 'ambient']
'TXXX:major_brand'                                  'M4A '
'TXXX:media_type'                                   '1'
'TXXX:minor_version'                                '0'
'TXXX:purchase_date'                                '2011-09-06 05:45:41'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '1'
'TXXX:rating'                                       '0'
'TXXX:replaygain_track_gain'                        '-3.82 dB'
'TXXX:replaygain_track_peak'                        '0.936174'

========================== row from database ==========================
                                              'id'  1370459
                                            'path'  /data/Music/Bulk/0soundtrack/Cliff Martinez - Drive/12 See You in Four.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  soundtrack-video-movies;electronic-unsorted
                                        'filesize'  7043437
                                           'mtime'  1622757016
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 12 soundtrack video movies;electronic unsorted
                                      'tag_artist'  Cliff Martinez
                                     'tag_release'  Drive (Original Motion Picture Soundtrack)
                                       'tag_title'  See You in Four
                                             'bpm'  136.9
                                    'search_title'  'four':4 'in':3 'see':1 'you':2
                                   'search_artist'  'cliff':1 'martinez':2
                                  'search_release'  'drive':1 'motion':4 'original':2,3 'picture':5 'soundtrack':6,7
                                     'search_rest'  '0soundtrack':1 'electronic':5,7 'movies':4,6 'soundtrack':2 'unsorted':8 'video':3
                                    'search_combo'  '0soundtrack':14 'cliff':5B 'drive':7C 'electronic':18,20 'four':4A 'in':3A 'martinez':6B 'motion':10C 'movies':17,19 'original':8C,9C 'picture':11C 'see':1A 'soundtrack':12C,13C,15 'unsorted':21 'video':16 'you':2A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'deepspaceone', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'stage & screen', 'soundtrack', 'electro', 'score', 'synth-pop', 'ambient']

============================== file details ==============================
                                           'mtime'  1622757016.4830709  (2021-06-03 23:50:16)
                             'size'  7043437