======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '298'
                                          'artist'  'Legowelt'
                                     'text_people'  ''
                                         'release'  'Acid Arab Collections / EP02'
                                           'title'  'Egyptian Acid Oasis'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'electroclash', 'electro', 'electronic', 'techno']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '122.957'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00001A30 00002550 0000B066 0000B1D5 00040F2F 00044F78 00008867 00008A1D '
 '000408DB 0002C83E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008D0 0000000000C92820 00000000 00B65DB7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'GRP1'                                              'Versatile Records'
'TALB' (Album/Movie/Show title)                     'Acid Arab Collections / EP02'
'TBPM' (BPM (beats per minute))                     '122.957'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Egyptian Acid Oasis'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Legowelt'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TSOA' (Album sort order)                           'Acid Arab Collections / EP02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electroclash', 'electro', 'electronic', 'techno']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '-2.48 dB'
'TXXX:replaygain_track_peak'                        '0.384964'

========================== row from database ==========================
                                              'id'  926474
                                            'path'  /data/Music/Bulk/00localcharacter/00south-europe-middle-east/Acid Arab Collections _ EP02/01 Egyptian Acid Oasis.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  298
                                           'genre'  loc-m
                                        'filesize'  11987375
                                           'mtime'  1620526348
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00south europe middle east _ 01 loc m
                                      'tag_artist'  Legowelt
                                     'tag_release'  Acid Arab Collections / EP02
                                       'tag_title'  Egyptian Acid Oasis
                                             'bpm'  122.957
                                    'search_title'  'acid':2 'egyptian':1 'oasis':3
                                   'search_artist'  'legowelt':1
                                  'search_release'  'acid':1 'arab':2 'collections':3 'ep02':4
                                     'search_rest'  '00south':1 'east':4 'europe':2 'loc':5 'm':6 'middle':3
                                    'search_combo'  '00south':9 'acid':2A,5C 'arab':6C 'collections':7C 'east':12 'egyptian':1A 'ep02':8C 'europe':10 'legowelt':4B 'loc':13 'm':14 'middle':11 'oasis':3A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electro', 'electronic', 'techno']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620526348.3593636  (2021-05-09 04:12:28)
                             'size'  11987375