======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '271'
                                          'artist'  'Yellow Magic Orchestra'
                                     'text_people'  ''
                                         'release'  'YMO Go Home!'
                                           'title'  'Pure Jam'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', '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-2']")
                                      'lastfmtags'  "['electronica', 'techno', 'electronic', 'japanese', 'synthpop']"
                                     'discogstags'  "['electronic', 'electro', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '14'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '89.493'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'COMM:iTunNORM:eng'                                 (' 00000719 000006F1 000048E6 00004683 00011F87 00011F87 00008000 00008000 '
 '0000623B 0000623B')
'TALB' (Album/Movie/Show title)                     'YMO Go Home!'
'TBPM' (BPM (beats per minute))                     '89.493'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Pure Jam'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Yellow Magic Orchestra'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '7/14'
'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:discogstags'                                  ['electronic', 'electro', 'synth-pop']
'TXXX:lastfmtags'                                   ['electronica', 'techno', 'electronic', 'japanese', 'synthpop']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.430011'

========================== row from database ==========================
                                              'id'  1491935
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/2-07 pure jam.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  271
                                           'genre'  electronic-th-techno
                                        'filesize'  4411090
                                           'mtime'  1620592400
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 2 07 pure jam electronic th techno
                                      'tag_artist'  Yellow Magic Orchestra
                                     'tag_release'  YMO Go Home!
                                       'tag_title'  Pure Jam
                                             'bpm'  89.493
                                    'search_title'  'jam':2 'pure':1
                                   'search_artist'  'magic':2 'orchestra':3 'yellow':1
                                  'search_release'  'go':2 'home':3 'ymo':1
                                     'search_rest'  '00dutch':4 '00mid':1 '2':5 'electronic':8 'europe':3 'jam':7 'north':2 'pure':6 'techno':10 'th':9
                                    'search_combo'  '00dutch':12 '00mid':9 '2':13 'electronic':16 'europe':11 'go':7C 'home':8C 'jam':2A,15 'magic':4B 'north':10 'orchestra':5B 'pure':1A,14 'techno':18 'th':17 'yellow':3B 'ymo':6C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  9B
                                           '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-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'techno', 'electronic', 'japanese', 'synthpop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'electro', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620592399.8261986  (2021-05-09 22:33:19)
                             'size'  4411090