======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '87'
                                          'artist'  'HM Surf'
                                     'text_people'  'Milo Wiik'
                                         'release'  'Iguana'
                                           'title'  'Snow'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['beats', 'norwegian', 'chillhop', 'hip hop', 'hip-hop']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '79'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop'
                                             'bpm'  '101.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:front cover'                                  type PictureType.COVER_FRONT (Cover (front)) b'front cover'
                                     
'TALB' (Album/Movie/Show title)                     'Iguana'
'TBPM' (BPM (beats per minute))                     '101.8'
'TCOM' (Composer)                                   'Milo Wiik'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism-chillhop'
'TCOP' (Copyright message)                          'VinDig'
'TDRC' (Recording time)                             '2017-04-07'
'TIT2' (Title/songname/content description)         'Snow'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '87'
'TPE1' (Lead performer(s)/Soloist(s))               'HM Surf'
'TPE2' (Band/orchestra/accompaniment)               'HM Surf'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/79'
'TSRC' (ISRC (international standard recording code))  'DEQ121746527'
'TXXX:BARCODE'                                      '4018939319953'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['beats', 'norwegian', 'chillhop', 'hip hop', 'hip-hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+12.05 dB'
'TXXX:replaygain_track_peak'                        '0.140616'

========================== row from database ==========================
                                              'id'  1312478
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/lofi/lo fi chill/3 - HM Surf - Snow.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  87
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop
                                        'filesize'  3610449
                                           'mtime'  1620611411
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave lofi lo fi chill 3 hip hop or rnb or rap or turntablism chillhop
                                      'tag_artist'  HM Surf
                                     'tag_release'  Iguana
                                       'tag_title'  Snow
                                             'bpm'  101.8
                                    'search_title'  'snow':1
                                   'search_artist'  'hm':1 'surf':2
                                  'search_release'  'iguana':1
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 '3':9 'chill':8 'chillhop':16 'disco':3 'fi':7 'hip':10 'hop':11 'lo':6 'lofi':5 'or':12 'rap':14 'rnb':13 'turntablism':15 'waves':2
                                    'search_combo'  '00poprockelectronic':5 '00synthwave':8 '3':13 'chill':12 'chillhop':20 'disco':7 'fi':11 'hip':14 'hm':2B 'hop':15 'iguana':4C 'lo':10 'lofi':9 'or':16 'rap':18 'rnb':17 'snow':1A 'surf':3B 'turntablism':19 'waves':6
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['beats', 'norwegian', 'chillhop', 'hip hop', 'hip-hop']
                                        'tag_date'  2017
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620611410.7988057  (2021-05-10 03:50:10)
                             'size'  3610449