======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '194'
                                          'artist'  'Cowboy Junkies'
                                     'text_people'  'Townes van Zandt'
                                         'release'  'One Soul Now'
                                           'title'  'Lungs'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'female vocalists', 'alternative', 'alt country', 'canadian']"
                                     'discogstags'  "['rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '5'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '140.335'
                                             'key'  '10B'
                                        'acoustid'  '0fd35f34-aca4-47e7-a5a8-a7a8e991da22'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'One Soul Now'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCOM' (Composer)                                   'Townes van Zandt'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-05-31'
'TIT2' (Title/songname/content description)         'Lungs'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Cowboy Junkies'
'TPE2' (Band/orchestra/accompaniment)               'Cowboy Junkies'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Cooking Vinyl'
'TRCK' (Track number/Position in set)               '3/5'
'TSO2'                                              'Cowboy Junkies'
'TSOP' (Performer sort order)                       'Cowboy Junkies'
'TSST' (Set subtitle)                               "'Neath Your Covers, Part 1"
'TXXX:ASIN'                                         'B0001W2ZXC'
'TXXX:Acoustid Id'                                  '0fd35f34-aca4-47e7-a5a8-a7a8e991da22'
'TXXX:BARCODE'                                      '711297469684'
'TXXX:CATALOGNUMBER'                                'COOKCD296'
'TXXX:MusicBrainz Album Artist Id'                  'b52211f1-49a2-4cd2-8535-dd1ba37ea90b'
'TXXX:MusicBrainz Album Id'                         'd929ba63-340d-401e-b801-10ba4cc60488'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b52211f1-49a2-4cd2-8535-dd1ba37ea90b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock']
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'alternative', 'alt country', 'canadian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.40 dB'
'TXXX:replaygain_track_peak'                        '0.429982'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'795c6b58-01e0-4648-a4fa-08a00067eab7')

========================== row from database ==========================
                                              'id'  734266
                                            'path'  /data/Music/Bulk/00localcharacter/cowboy junkies - 2004 - one soul now/lungs.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  194
                                           'genre'  loc-namerica-country
                                        'filesize'  7819239
                                           'mtime'  1621629911
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter cowboy junkies 2004 one soul now lungs loc namerica country
                                      'tag_artist'  Cowboy Junkies
                                     'tag_release'  One Soul Now
                                       'tag_title'  Lungs
                                             'bpm'  140.335
                                    'search_title'  'lungs':1
                                   'search_artist'  'cowboy':1 'junkies':2
                                  'search_release'  'now':3 'one':1 'soul':2
                                     'search_rest'  '2004':3 'country':10 'cowboy':1 'junkies':2 'loc':8 'lungs':7 'namerica':9 'now':6 'one':4 'soul':5
                                    'search_combo'  '2004':9 'country':16 'cowboy':2B,7 'junkies':3B,8 'loc':14 'lungs':1A,13 'namerica':15 'now':6C,12 'one':4C,10 'soul':5C,11
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'alternative', 'alt country', 'canadian']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1621629911.251042  (2021-05-21 22:45:11)
                             'size'  7819239