======================== unified (from filesystem) ========================
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                                          'artist'  'Jean-Jacques Perrey & Pat Prilly # Moog Expressions'
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                                            'date'  ''
                                        'comments'  ''
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                                             'bpm'  '102.0'
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                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '102.0'
'TCON' (Content type, a.k.a. Genre)                 'mi-earlysynth-moog'
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'TPE1' (Lead performer(s)/Soloist(s))               'Jean-Jacques Perrey & Pat Prilly # Moog Expressions'
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'TXXX:replaygain_track_peak'                        '0.846989'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Jean-Jacques Perrey & Pat Prilly - Moog Expressions (1972)/jean-jacques perrey & pat prilly - moog expressions - 01. train experimental.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  176
                                           'genre'  mi-earlysynth-moog
                                        'filesize'  4243738
                                           'mtime'  1620403931
                                   'redo_metaread'  0
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                                      'tag_artist'  Jean-Jacques Perrey & Pat Prilly # Moog Expressions
                                     'tag_release'  Montparnasse 2000 - MP 26 - Moog Expressions
                                       'tag_title'  Train Experimental
                                             'bpm'  102.0
                                    'search_title'  'experimental':2 'train':1
                                   'search_artist'  'expressions':8 'jacques':2 'jean':1 'jeanjacques':3 'moog':7 'pat':5 'perrey':4 'prilly':6
                                  'search_release'  '2000':2 '26':4 'expressions':6 'montparnasse':1 'moog':5 'mp':3
                                     'search_rest'  '01':10,11 '1972':1,2 'earlysynth':15 'experimental':13 'expressions':9 'jacques':4 'jean':3 'mi':14 'moog':8 'pat':6 'perrey':5 'prilly':7 'train':12
                                    'search_combo'  '01':26,27 '1972':17,18 '2000':12C '26':14C 'earlysynth':31 'experimental':2A,29 'expressions':10B,16C,25 'jacques':4B,20 'jean':3B,19 'jeanjacques':5B 'mi':30 'montparnasse':11C 'moog':9B,15C,24 'mp':13C 'pat':7B,22 'perrey':6B,21 'prilly':8B,23 'train':1A,28
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           '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-3', 'q-syn-4', 'q-chart-2', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620403931.2892456  (2021-05-07 18:12:11)
                             'size'  4243738