======================== unified (from filesystem) ========================
                                         'bitrate'  '235.886'
                                        'duration'  '866'
                                          'artist'  'bvdub'
                                     'text_people'  ''
                                         'release'  'Serenity'
                                           'title'  'Beauty'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dub', 'ambient techno', 'dub techno', 'minimal', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '6'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '100.1'
                                             'key'  '5A'
                                        'acoustid'  '19b801c2-c318-4035-b040-13d666942eb3'
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00ë\x81\x81\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xeb\x81\x81\x00')
'TALB' (Album/Movie/Show title)                     'Serenity'
'TBPM' (BPM (beats per minute))                     '100.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012-03-20'
'TIT2' (Title/songname/content description)         'Beauty'
'TKEY' (Initial key)                                '5A'
'TLAN' (Language(s))                                'eng'
'TLEN' (Length)                                     '866000'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'bvdub'
'TPE2' (Band/orchestra/accompaniment)               'bvdub'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Darla Records'
'TRCK' (Track number/Position in set)               '2/6'
'TSO2'                                              'bvdub'
'TSOP' (Performer sort order)                       'bvdub'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.4 (http://www.mp3dev.org/) -V0'
'TXXX:ASIN'                                         'B007CSBGOC'
'TXXX:Acoustid Id'                                  '19b801c2-c318-4035-b040-13d666942eb3'
'TXXX:CATALOGNUMBER'                                'DRL252-3'
'TXXX:Catalog #'                                    'DRL252'
'TXXX:MusicBrainz Album Artist Id'                  '94d43a2c-b5f5-4d02-988c-20332d1eebd3'
'TXXX:MusicBrainz Album Id'                         'f46a3113-4275-4123-ac33-4170105ab170'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '94d43a2c-b5f5-4d02-988c-20332d1eebd3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2012-03-17'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dub', 'ambient techno', 'dub techno', 'minimal', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.685751'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0f41b0d6-135b-4dd0-83be-39029c19217e')

========================== row from database ==========================
                                              'id'  1368584
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Bvdub-Serenity-(DRL252)-2012-CRN/02-bvdub-beauty.mp3
                                         'working'  None
                                         'bitrate'  235
                                    'duration_sec'  866
                                           'genre'  electronic-ambient
                                        'filesize'  25538446
                                           'mtime'  1636910563
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient Bvdub (DRL252) 2012 CRN 02 beauty electronic ambient
                                      'tag_artist'  bvdub
                                     'tag_release'  Serenity
                                       'tag_title'  Beauty
                                             'bpm'  100.1
                                    'search_title'  'beauty':1
                                   'search_artist'  'bvdub':1
                                  'search_release'  'serenity':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2012':6 'ambient':10 'beauty':8 'bvdub':3 'crn':7 'drl252':4,5 'electronic':9
                                    'search_combo'  '00ambient':5 '00poprockelectronic':4 '2012':9 'ambient':13 'beauty':1A,11 'bvdub':2B,6 'crn':10 'drl252':7,8 'electronic':12 'serenity':3C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dub', 'ambient techno', 'dub techno', 'minimal', 'ambient']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910562.8852167  (2021-11-14 18:22:42)
                             'size'  25538446