======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '91'
                                          'artist'  "Mother Mallard's Portable Masterpiece Company"
                                     'text_people'  ''
                                         'release'  'Like a Duck to Water'
                                           'title'  'Harpsichord Truck'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
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 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['minimalism', 'instrumental', 'contemporary classical', 'electronic', "
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                                     'discogstags'  "['modern classical', 'electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '7'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '100.4'
                                             'key'  '8B'
                                        'acoustid'  '251387a1-5c9e-4a78-a1bc-4955c9364a73'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '100.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '1976'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Harpsichord Truck'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Mother Mallard's Portable Masterpiece Company"
'TPE2' (Band/orchestra/accompaniment)               "Mother Mallard's Portable Masterpiece Company"
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Cuneiform Records'
'TRCK' (Track number/Position in set)               '7/7'
'TSO2'                                              "Mother Mallard's Portable Masterpiece Company"
'TSOP' (Performer sort order)                       "Mother Mallard's Portable Masterpiece Company"
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'TXXX:CATALOGNUMBER'                                'Rune 147'
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'TXXX:MusicBrainz Album Id'                         '7fa14d38-9cb3-4b78-b0ec-893c351597a4'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b60a4dcc-4e4b-4dbd-91c4-4f3421bf3412'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['modern classical', 'electronic', 'experimental']
'TXXX:lastfmtags'                                   ['minimalism',
 'instrumental',
 'contemporary classical',
 'electronic',
 'united states']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.768628'
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========================== row from database ==========================
                                              'id'  1524890
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Mother Mallard_s Portable Masterpiece Company/[1976] Like A Duck To Water/07. Harpsichord Truck.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  91
                                           'genre'  electronic
                                        'filesize'  2189700
                                           'mtime'  1636913224
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Mallard_s [1976] A To 07. electronic
                                      'tag_artist'  Mother Mallard's Portable Masterpiece Company
                                     'tag_release'  Like a Duck to Water
                                       'tag_title'  Harpsichord Truck
                                             'bpm'  100.4
                                    'search_title'  'harpsichord':1 'truck':2
                                   'search_artist'  'company':7 'mallard':2 'mallards':4 'masterpiece':6 'mother':1 'portable':5 's':3
                                  'search_release'  'a':2 'duck':3 'like':1 'to':4 'water':5
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '07':9,10 '1976':5,6 'a':7 'electronic':11 'mallard':3 's':4 'to':8
                                    'search_combo'  '00calmer':16 '00poprockelectronic':15 '07':23,24 '1976':19,20 'a':11C,21 'company':9B 'duck':12C 'electronic':25 'harpsichord':1A 'like':10C 'mallard':4B,17 'mallards':6B 'masterpiece':8B 'mother':3B 'portable':7B 's':5B,18 'to':13C,22 'truck':2A 'water':14C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['minimalism', 'instrumental', 'contemporary classical', 'electronic', 'united states']
                                        'tag_date'  2001
                                     'discogstags'  ['modern classical', 'electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1636913223.5627718  (2021-11-14 19:07:03)
                             'size'  2189700