======================== unified (from filesystem) ========================
                                         'bitrate'  '199.284'
                                        'duration'  '272'
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                                      'lastfmtags'  "['electronica', 'female vocalists', 'trip hop', 'chillout', 'electronic']"
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                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '88.053'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In Limbo the Lost Puracane Sessions'
'TBPM' (BPM (beats per minute))                     '88.053'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Secrets'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Puracane'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'female vocalists', 'trip hop', 'chillout', 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.12 dB'
'TXXX:replaygain_track_peak'                        '0.531182'

========================== row from database ==========================
                                              'id'  1295843
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Puracane - In Limbo The Lost Puracane Sessions - 04 - Secrets.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  272
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6801587
                                           'mtime'  1636910878
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip The 04 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Puracane
                                     'tag_release'  In Limbo the Lost Puracane Sessions
                                       'tag_title'  Secrets
                                             'bpm'  88.053
                                    'search_title'  'secrets':1
                                   'search_artist'  'puracane':1
                                  'search_release'  'in':1 'limbo':2 'lost':4 'puracane':5 'sessions':6 'the':3
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':9 'downtempo':8 'electronic':4 'hop':6 'jazz':10 'or':7 'the':3 'trip':5
                                    'search_combo'  '00poprockelectronic':9 '00trip':10 'acid':17 'downtempo':16 'electronic':12 'hop':14 'in':3C 'jazz':18 'limbo':4C 'lost':6C 'or':15 'puracane':2B,7C 'secrets':1A 'sessions':8C 'the':5C,11 'trip':13
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'female vocalists', 'trip hop', 'chillout', 'electronic']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910878.109073  (2021-11-14 18:27:58)
                             'size'  6801587