======================== unified (from filesystem) ========================
                                         'bitrate'  '187.216'
                                        'duration'  '364'
                                          'artist'  'Goldmund'
                                     'text_people'  ''
                                         'release'  'The Malady of Elegance'
                                           'title'  'John Harrington'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-PLAY-3', 'q-syn-3', 'q-bass-1', 'q-busy-1', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['contemporary classical', 'instrumental', 'piano', 'minimal', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '15'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '134.1'
                                             'key'  '10B'
                                        'acoustid'  'd23ccfa0-28ed-4ba3-926d-bb76dfb04145'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Malady of Elegance'
'TBPM' (BPM (beats per minute))                     '134.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-07-28'
'TENC' (Encoded by)                                 'Buy The Original CD/Vinyl, Support The Artists!'
'TIT2' (Title/songname/content description)         'John Harrington'
'TKEY' (Initial key)                                '10B'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Goldmund'
'TPE2' (Band/orchestra/accompaniment)               'Goldmund'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Type'
'TRCK' (Track number/Position in set)               '9/15'
'TSO2'                                              'Goldmund'
'TSOP' (Performer sort order)                       'Goldmund'
'TXXX:ASIN'                                         'B0019H9WEI'
'TXXX:Acoustid Id'                                  'd23ccfa0-28ed-4ba3-926d-bb76dfb04145'
'TXXX:BARCODE'                                      '182270000895'
'TXXX:CATALOGNUMBER'                                'TYPE039'
'TXXX:MusicBrainz Album Artist Id'                  '6ea0f255-4920-44e4-89ff-586c27b219a0'
'TXXX:MusicBrainz Album Id'                         '336b5981-acbf-4993-9138-a15fa2b533b0'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6ea0f255-4920-44e4-89ff-586c27b219a0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['contemporary classical', 'instrumental', 'piano', 'minimal', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.27 dB'
'TXXX:replaygain_track_peak'                        '0.683789'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b1f430fe-7230-4711-9d63-692cfd346544')

========================== row from database ==========================
                                              'id'  725244
                                            'path'  /data/Music/Bulk/00instruments-classical/Goldmund--The_Malady_of_Elegance-(Type_Records)-2008-UKi/09-goldmund--john_harrington.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  364
                                           'genre'  electronic-ambient
                                        'filesize'  8544015
                                           'mtime'  1636910497
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical The_Malady_of_Elegance (Type_Records) 2008 UKi 09 goldmund john_harrington electronic ambient
                                      'tag_artist'  Goldmund
                                     'tag_release'  The Malady of Elegance
                                       'tag_title'  John Harrington
                                             'bpm'  134.1
                                    'search_title'  'harrington':2 'john':1
                                   'search_artist'  'goldmund':1
                                  'search_release'  'elegance':4 'malady':2 'of':3 'the':1
                                     'search_rest'  '00instruments':1 '2008':11 'ambient':17 'classical':2 'electronic':16 'elegance':6 'goldmund':13 'harrington':15 'john':14 'malady':4 'of':5 'records':8,10 'the':3 'type':7,9 'uki':12
                                    'search_combo'  '00instruments':8 '2008':18 'ambient':24 'classical':9 'electronic':23 'elegance':7C,13 'goldmund':3B,20 'harrington':2A,22 'john':1A,21 'malady':5C,11 'of':6C,12 'records':15,17 'the':4C,10 'type':14,16 'uki':19
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'Q-PLAY-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['contemporary classical', 'instrumental', 'piano', 'minimal', 'ambient']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910497.4201162  (2021-11-14 18:21:37)
                             'size'  8544015