======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '127'
                                          'artist'  'The Ventures'
                                     'text_people'  ''
                                         'release'  'In the Vaults, Volume 2'
                                           'title'  'High Tide'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'instrumental', '60s', 'surf rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  '26'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '145.476'
                                             'key'  '12B'
                                        'acoustid'  '453a0bd5-8b84-4ae5-b64f-7baab09fbb9b'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In the Vaults, Volume 2'
'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-05-25'
'TIT2' (Title/songname/content description)         'High Tide'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ventures'
'TPE2' (Band/orchestra/accompaniment)               'The Ventures'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ace Records'
'TRCK' (Track number/Position in set)               '23/26'
'TSO2'                                              'Ventures, The'
'TSOP' (Performer sort order)                       'Ventures, The'
'TXXX:ASIN'                                         'B00000IQLL'
'TXXX:Acoustid Id'                                  '453a0bd5-8b84-4ae5-b64f-7baab09fbb9b'
'TXXX:BARCODE'                                      '029667871624'
'TXXX:CATALOGNUMBER'                                'CDCHD 716'
'TXXX:MusicBrainz Album Artist Id'                  'b2cc8903-0077-4bef-8454-ac5cef53d126'
'TXXX:MusicBrainz Album Id'                         'fa5dbe8f-36fa-4185-addc-ffa1fa03179e'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'b2cc8903-0077-4bef-8454-ac5cef53d126'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['surf', 'instrumental', '60s', 'surf rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.604171'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c82c6d62-9a94-4335-b0ba-1ae2eb0768b4')

========================== row from database ==========================
                                              'id'  1414177
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/ACE CD 716 - The Ventures - In The Vaults - Vol.2/23 - High Tide.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  127
                                           'genre'  rock-pop-surf
                                        'filesize'  3063399
                                           'mtime'  1620736874
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy ACE CD 716 Vol.2 23 rock pop surf
                                      'tag_artist'  The Ventures
                                     'tag_release'  In the Vaults, Volume 2
                                       'tag_title'  High Tide
                                             'bpm'  145.476
                                    'search_title'  'high':1 'tide':2
                                   'search_artist'  'the':1 'ventures':2
                                  'search_release'  '2':6 'in':1 'the':2 'vaults':3,4 'volume':5
                                     'search_rest'  '2':6 '23':8 '716':4 'ace':2 'cd':3 'classicprogpsy':1 'pop':10 'rock':9 'surf':11 'vol':5 'vol2':7
                                    'search_combo'  '2':10C,16 '23':18 '716':14 'ace':12 'cd':13 'classicprogpsy':11 'high':1A 'in':5C 'pop':20 'rock':19 'surf':21 'the':3B,6C 'tide':2A 'vaults':7C,8C 'ventures':4B 'vol':15 'vol2':17 'volume':9C
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'instrumental', '60s', 'surf rock', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736873.733932  (2021-05-11 14:41:13)
                             'size'  3063399