======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '319'
                                          'artist'  'Capercaillie'
                                     'text_people'  ''
                                         'release'  'To the Moon'
                                           'title'  'Rob Roy Reels'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'celtic', 'female vocalists', 'folk', 'scottish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '13'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-eur'
                                             'bpm'  '156'
                                             'key'  '10B'
                                        'acoustid'  '86fdc2ac-4103-4acc-a566-cbf740833016'
rest: ''

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

'APIC:From Amazon'                                  type PictureType.COVER_FRONT (Cover (front)) b'From Amazon'
                                     
'TALB' (Album/Movie/Show title)                     'To the Moon'
'TBPM' (BPM (beats per minute))                     '156'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Rob Roy Reels'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Capercaillie'
'TPE2' (Band/orchestra/accompaniment)               'Capercaillie'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Survival Records'
'TRCK' (Track number/Position in set)               '11/13'
'TSO2'                                              'Capercaillie'
'TSOP' (Performer sort order)                       'Capercaillie'
'TXXX:Acoustid Id'                                  '86fdc2ac-4103-4acc-a566-cbf740833016'
'TXXX:Artists'                                      'Capercaillie'
'TXXX:BARCODE'                                      '5016925950165'
'TXXX:CATALOGNUMBER'                                'SURCD 019'
'TXXX:MusicBrainz Album Artist Id'                  '3020fb04-9795-412f-8474-bf6d2ac6d29c'
'TXXX:MusicBrainz Album Id'                         '63e2f81a-8e20-4312-aa3f-bbf6e1a174e3'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3020fb04-9795-412f-8474-bf6d2ac6d29c'
'TXXX:MusicBrainz Release Group Id'                 'dcabeeb9-326c-31ae-b6b7-b30b42039410'
'TXXX:MusicBrainz Release Track Id'                 '52720c6b-6252-3d27-b6d7-9070b5ad0e66'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['world', 'celtic', 'female vocalists', 'folk', 'scottish']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.715579'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ab8c8cbc-730d-4751-86f3-b6efb2d5aa09')

========================== row from database ==========================
                                              'id'  926304
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Capercaillie/1996 - To The Moon/MBZ;#Capercaillie;#To The Moon;#0000-00-00;#11;#Rob Roy Reels.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  319
                                           'genre'  loc-eur
                                        'filesize'  5147361
                                           'mtime'  1620535215
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 1996 The MBZ;#Capercaillie;#To The Moon;#0000 00 00;#11;#Rob loc eur
                                      'tag_artist'  Capercaillie
                                     'tag_release'  To the Moon
                                       'tag_title'  Rob Roy Reels
                                             'bpm'  156.0
                                    'search_title'  'reels':3 'rob':1 'roy':2
                                   'search_artist'  'capercaillie':1
                                  'search_release'  'moon':3 'the':2 'to':1
                                     'search_rest'  '00':16,17,20 '0000':13,15 '00mid':1 '11':18,21 '1996':4 'capercaillie':7,10 'eur':24 'europe':3 'loc':23 'mbz':6,9 'moon':12,14 'north':2 'rob':19,22 'the':5 'to':8,11
                                    'search_combo'  '00':23,24,27 '0000':20,22 '00mid':8 '11':25,28 '1996':11 'capercaillie':4B,14,17 'eur':31 'europe':10 'loc':30 'mbz':13,16 'moon':7C,19,21 'north':9 'reels':3A 'rob':1A,26,29 'roy':2A 'the':6C,12 'to':5C,15,18
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['world', 'celtic', 'female vocalists', 'folk', 'scottish']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535214.5780687  (2021-05-09 06:40:14)
                             'size'  5147361