======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '350'
                                          'artist'  'Laurie Anderson'
                                     'text_people'  'Laurie Anderson'
                                         'release'  'Life on a String'
                                           'title'  'Slip Away'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['electronic', 'female vocalists', 'avant garde', 'spoken word', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '144.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Life on a String'
'TBPM' (BPM (beats per minute))                     '144.1'
'TCOM' (Composer)                                   'Laurie Anderson'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-08-21'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'David Bither']])
'TIT2' (Title/songname/content description)         'Slip Away'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'HDCD'
'TPE1' (Lead performer(s)/Soloist(s))               'Laurie Anderson'
'TPE2' (Band/orchestra/accompaniment)               'Laurie Anderson'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nonesuch'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Anderson, Laurie'
'TSOP' (Performer sort order)                       'Anderson, Laurie'
'TSRC' (ISRC (international standard recording code))  'USNO10153906'
'TXXX:ASIN'                                         'B000050K9A'
'TXXX:BARCODE'                                      '075597953923'
'TXXX:CATALOGNUMBER'                                '79539-2'
'TXXX:MusicBrainz Album Artist Id'                  '86809b51-cbe2-45f1-804a-e66eed635dea'
'TXXX:MusicBrainz Album Id'                         '6ac88b49-1775-4f82-9f3f-894c39f10225'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '86809b51-cbe2-45f1-804a-e66eed635dea'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.507267'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4471b69c-3ec3-4997-a211-2d1963927ad1')

========================== row from database ==========================
                                              'id'  1536508
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Laurie Anderson/2001 - Life on a String/Laurie Anderson - Life On A String - 05 - Slip Away.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  350
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  14033173
                                           'mtime'  1636915734
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2001 On 05 electronic experimental oddness
                                      'tag_artist'  Laurie Anderson
                                     'tag_release'  Life on a String
                                       'tag_title'  Slip Away
                                             'bpm'  144.1
                                    'search_title'  'away':2 'slip':1
                                   'search_artist'  'anderson':2 'laurie':1
                                  'search_release'  'a':3 'life':1 'on':2 'string':4
                                     'search_rest'  '2001':1 'electronic':3 'experimental':4 'oddness':5 'on':2
                                    'search_combo'  '2001':9 'a':7C 'anderson':4B 'away':2A 'electronic':11 'experimental':12 'laurie':3B 'life':5C 'oddness':13 'on':6C,10 'slip':1A 'string':8C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronic', 'female vocalists', 'avant garde', 'spoken word', 'experimental']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915733.5841482  (2021-11-14 19:48:53)
                             'size'  14033173