======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '156'
                                          'artist'  'The Two Man Gentlemen Band'
                                     'text_people'  'Andy Bean'
                                         'release'  'Heavy Petting'
                                           'title'  'When Your Lips Are Playing My Kazoo'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['old time two man good time music at a reasonable volume for all ages', "
 "'country', 'bluegrass', 'swing', 'folk', 'vaudevillian dixieland ragtime "
 "swing']")
                                     'discogstags'  "['folk, world, & country', 'country', 'novelty', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'set-th-novelty;set-th-retro'
                                             'bpm'  '126.5'
                                             'key'  '10A'
                                        'acoustid'  '606ecfc9-18ed-4974-9b0c-0621d8ca96bb'
rest: ''

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

'PRIV:AverageLevel:{\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1a\x00\x00')
'PRIV:PeakValue:¡~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1~\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x003\x001\x003\x007\x007\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x009\x006\x005\x003\x007\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x006\x000\x002\x002\x009\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x003\x001\x003\x007\x007\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x009\x006\x005\x003\x007\x004\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x006\x000\x002\x002\x009\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Ýò\x113»¾\x97C\x8d\x8fG·caW\x06'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xdd\xf2\x113\xbb\xbe\x97C\x8d\x8fG\xb7caW\x06')
'PRIV:WM/WMCollectionID:Ýò\x113»¾\x97C\x8d\x8fG·caW\x06'  PRIV(owner='WM/WMCollectionID', data=b'\xdd\xf2\x113\xbb\xbe\x97C\x8d\x8fG\xb7caW\x06')
'PRIV:WM/WMContentID:*ê_\x87u·ªM¤Bã®\x9f\x8aúÇ'     PRIV(owner='WM/WMContentID', data=b'*\xea_\x87u\xb7\xaaM\xa4B\xe3\xae\x9f\x8a\xfa\xc7')
'TALB' (Album/Movie/Show title)                     'Heavy Petting'
'TBPM' (BPM (beats per minute))                     '126.5'
'TCOM' (Composer)                                   'Andy Bean'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty', 'set-th-retro']
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-12-12'
'TIT2' (Title/songname/content description)         'When Your Lips Are Playing My Kazoo'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Two Man Gentlemen Band'
'TPE2' (Band/orchestra/accompaniment)               'The Two Man Gentlemen Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Serious Business Records'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Two Man Gentlemen Band, The'
'TSOP' (Performer sort order)                       'Two Man Gentlemen Band, The'
'TXXX:Acoustid Id'                                  '606ecfc9-18ed-4974-9b0c-0621d8ca96bb'
'TXXX:MusicBrainz Album Artist Id'                  'ea7e6047-c4f1-45d4-9fb7-1e7b94ea33ed'
'TXXX:MusicBrainz Album Id'                         '036b94ae-2ca9-4c73-a2b6-ab11ed76d460'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ea7e6047-c4f1-45d4-9fb7-1e7b94ea33ed'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['folk, world, & country', 'country', 'novelty', 'folk']
'TXXX:lastfmtags'                                   ['old time two man good time music at a reasonable volume for all ages',
 'country',
 'bluegrass',
 'swing',
 'folk',
 'vaudevillian dixieland ragtime swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.376534'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5ca1a16b-5072-48b7-a353-3608d6a606ed')

========================== row from database ==========================
                                              'id'  745933
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Heavy Petting/04 When Your Lips Are Playing My Kazoo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  156
                                           'genre'  set-th-novelty;set-th-retro
                                        'filesize'  3766982
                                           'mtime'  1642339891
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 04 set th novelty;set th retro
                                      'tag_artist'  The Two Man Gentlemen Band
                                     'tag_release'  Heavy Petting
                                       'tag_title'  When Your Lips Are Playing My Kazoo
                                             'bpm'  126.5
                                    'search_title'  'are':4 'kazoo':7 'lips':3 'my':6 'playing':5 'when':1 'your':2
                                   'search_artist'  'band':5 'gentlemen':4 'man':3 'the':1 'two':2
                                  'search_release'  'heavy':1 'petting':2
                                     'search_rest'  'novelty':3,5 'retro':7 'set':1,4,6 'th':2
                                    'search_combo'  'are':4A 'band':12B 'gentlemen':11B 'heavy':13C 'kazoo':7A 'lips':3A 'man':10B 'my':6A 'novelty':17,19 'petting':14C 'playing':5A 'retro':21 'set':15,18,20 'th':16 'the':8B 'two':9B 'when':1A 'your':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['old time two man good time music at a reasonable volume for all ages', 'country', 'bluegrass', 'swing', 'folk', 'vaudevillian dixieland ragtime swing']
                                        'tag_date'  2007
                                     'discogstags'  ['folk, world, & country', 'country', 'novelty', 'folk']

============================== file details ==============================
                                           'mtime'  1642339890.6137278  (2022-01-16 14:31:30)
                             'size'  3766982