======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '224'
                                          'artist'  'Red Elvises'
                                     'text_people'  ''
                                         'release'  'Made in Santa Monica'
                                           'title'  'My Darling Lorraine'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'surf rock', 'psychobilly', 'rockabilly', 'rock', 'russian']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '15'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '113.5'
                                             'key'  '6A'
                                        'acoustid'  'ca731620-8b21-40c8-8f6b-88d1d42a75c7'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Made in Santa Monica'
'TBPM' (BPM (beats per minute))                     '113.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'My Darling Lorraine'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Elvises'
'TPE2' (Band/orchestra/accompaniment)               'Red Elvises'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/15'
'TSO2'                                              'Red Elvises'
'TSOP' (Performer sort order)                       'Red Elvises'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.93, 320 Kbit/s, Stereo, Normal quality'
'TXXX:Acoustid Id'                                  'ca731620-8b21-40c8-8f6b-88d1d42a75c7'
'TXXX:MusicBrainz Album Artist Id'                  '30480808-4c03-432c-9e94-dd3b12d4e127'
'TXXX:MusicBrainz Album Id'                         'aba31eab-100b-468d-9639-baa5501b7548'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '30480808-4c03-432c-9e94-dd3b12d4e127'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['surf', 'surf rock', 'psychobilly', 'rockabilly', 'rock', 'russian']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.842065'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'92f16ca7-9c3e-4305-9977-39a7817b0f1a')

========================== row from database ==========================
                                              'id'  1308670
                                            'path'  /data/Music/Bulk/00poprockelectronic/2008 Made in Santa Monica/09_-_My_Darling_Lorraine.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  224
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  8992360
                                           'mtime'  1620525623
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2008 09_ _My_Darling_Lorraine rock rockabilly psychobilly
                                      'tag_artist'  Red Elvises
                                     'tag_release'  Made in Santa Monica
                                       'tag_title'  My Darling Lorraine
                                             'bpm'  113.5
                                    'search_title'  'darling':2 'lorraine':3 'my':1
                                   'search_artist'  'elvises':2 'red':1
                                  'search_release'  'in':2 'made':1 'monica':4 'santa':3
                                     'search_rest'  '00poprockelectronic':1 '09':3 '2008':2 'darling':5 'lorraine':6 'my':4 'psychobilly':9 'rock':7 'rockabilly':8
                                    'search_combo'  '00poprockelectronic':10 '09':12 '2008':11 'darling':2A,14 'elvises':5B 'in':7C 'lorraine':3A,15 'made':6C 'monica':9C 'my':1A,13 'psychobilly':18 'red':4B 'rock':16 'rockabilly':17 'santa':8C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'surf rock', 'psychobilly', 'rockabilly', 'rock', 'russian']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620525622.8803217  (2021-05-09 04:00:22)
                             'size'  8992360