======================== unified (from filesystem) ========================
                                         'bitrate'  '127.689'
                                        'duration'  '141'
                                          'artist'  'Elsie Avril'
                                     'text_people'  ''
                                         'release'  'The Secret Museum of Mankind, Volume 3: Ethnic Music Classics 1925-48'
                                           'title'  'Running Set'
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                                      'lastfmtags'  "['adventure dot prg', 'piano', 'english', 'british', 'traditional']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '24'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '84.140'
                                             'key'  '10B'
                                        'acoustid'  '7e5f68bf-cc14-4a97-bedf-993cc2bc1a16'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Secret Museum of Mankind, Volume 3: Ethnic Music Classics 1925-48'
'TBPM' (BPM (beats per minute))                     '84.140'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Running Set'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Elsie Avril'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Yazoo Records'
'TRCK' (Track number/Position in set)               '20/24'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Avril, Elsie'
'TXXX:ASIN'                                         'B000000G9F'
'TXXX:Acoustid Id'                                  '7e5f68bf-cc14-4a97-bedf-993cc2bc1a16'
'TXXX:BARCODE'                                      '016351700629'
'TXXX:CATALOGNUMBER'                                'YAZOO 7006'
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'TXXX:MusicBrainz Album Id'                         '6f57e82f-a61b-4075-a026-14c6fb8b01da'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'fd5ec32f-f07f-47a4-bc4c-c8b22b328798'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['adventure dot prg', 'piano', 'english', 'british', 'traditional']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.625693'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00localcharacter/the secret museum of mankind vol. 3 (ethnic music classics 1925-48)/20 - England - Elsie Avril - Running Set.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  141
                                           'genre'  loc-unsorted
                                        'filesize'  2258775
                                           'mtime'  1621627320
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                                        'rest_str'   00localcharacter the secret museum mankind vol. (ethnic music classics 48) 20 England loc unsorted
                                      'tag_artist'  Elsie Avril
                                     'tag_release'  The Secret Museum of Mankind, Volume 3: Ethnic Music Classics 1925-48
                                       'tag_title'  Running Set
                                             'bpm'  84.14
                                    'search_title'  'running':1 'set':2
                                   'search_artist'  'avril':2 'elsie':1
                                  'search_release'  '1925':13 '192548':15 '3':8,9 '48':14 'classics':12 'ethnic':10 'mankind':5,6 'museum':3 'music':11 'of':4 'secret':2 'the':1 'volume':7
                                     'search_rest'  '20':13 '48':11,12 'classics':10 'england':14 'ethnic':7,8 'loc':15 'mankind':4 'museum':3 'music':9 'secret':2 'the':1 'unsorted':16 'vol':5,6
                                    'search_combo'  '1925':17C '192548':19C '20':32 '3':12C,13C '48':18C,30,31 'avril':4B 'classics':16C,29 'elsie':3B 'england':33 'ethnic':14C,26,27 'loc':34 'mankind':9C,10C,23 'museum':7C,22 'music':15C,28 'of':8C 'running':1A 'secret':6C,21 'set':2A 'the':5C,20 'unsorted':35 'vol':24,25 'volume':11C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['adventure dot prg', 'piano', 'english', 'british', 'traditional']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627319.9089315  (2021-05-21 22:01:59)
                             'size'  2258775