======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '266'
                                          'artist'  "Da Vinci's Notebook"
                                     'text_people'  ''
                                         'release'  'The Life and Times of Mike Fan'
                                           'title'  'Title of the Song'
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                                      'lastfmtags'  "['fun', 'humor', 'comedy', 'a cappella', 'a capella']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'entertaining-comedians;ifs-songwriter-a capella'
                                             'bpm'  '143.416'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Life and Times of Mike Fan'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 ['entertaining-comedians', 'ifs-songwriter-a capella']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Title of the Song'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               "Da Vinci's Notebook"
'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'                                        '2'
'TXXX:lastfmtags'                                   ['fun', 'humor', 'comedy', 'a cappella', 'a capella']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.595573'

========================== row from database ==========================
                                              'id'  1525997
                                            'path'  /data/Music/Bulk/00spent/Da Vinci_s Notebook/DaVinci's Notebook/The Life and Times of Mike Fanning-04-Title of the Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  266
                                           'genre'  entertaining-comedians;ifs-songwriter-a capella
                                        'filesize'  4271542
                                           'mtime'  1620573816
                                   'redo_metaread'  0
                                        'rest_str'   00spent Vinci_s DaVinci's Fanning 04 entertaining comedians;ifs songwriter capella
                                      'tag_artist'  Da Vinci's Notebook
                                     'tag_release'  The Life and Times of Mike Fan
                                       'tag_title'  Title of the Song
                                             'bpm'  143.416
                                    'search_title'  'of':2 'song':4 'the':3 'title':1
                                   'search_artist'  'da':1 'notebook':5 's':3 'vinci':2 'vincis':4
                                  'search_release'  'and':3 'fan':7 'life':2 'mike':6 'of':5 'the':1 'times':4
                                     'search_rest'  '00spent':1 'capella':14 'comedians':9,11 'da':15 'davinci':4 'davincis':6 'entertaining':8 'fanning':7 'ifs':10,12 's':3,5 'songwriter':13 'vinci':2 'vincis':16
                                    'search_combo'  '00spent':17 'and':12C 'capella':30 'comedians':25,27 'da':5B,31 'davinci':20 'davincis':22 'entertaining':24 'fan':16C 'fanning':23 'ifs':26,28 'life':11C 'mike':15C 'notebook':9B 'of':2A,14C 's':7B,19,21 'song':4A 'songwriter':29 'the':3A,10C 'times':13C 'title':1A 'vinci':6B,18 'vincis':8B,32
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['fun', 'humor', 'comedy', 'a cappella', 'a capella']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573816.0335174  (2021-05-09 17:23:36)
                             'size'  4271542