======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '395'
                                          'artist'  'Michael Blake'
                                     'text_people'  ''
                                         'release'  'Fulfillment'
                                           'title'  'Perimeters'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'Q-PLAY-3', 'q-bass-4', 'q-busy-2', "
 "'q-grit-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-PIANO-2', 'q-chart-1', 'q-drums-3', "
 "'q-other-3', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['saxophone', 'jazz', 'free jazz', 'instrumental', 'post-bop']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '87.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fulfillment'
'TBPM' (BPM (beats per minute))                     '87.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Perimeters'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Michael Blake'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['saxophone', 'jazz', 'free jazz', 'instrumental', 'post-bop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.702361'

========================== row from database ==========================
                                              'id'  1385492
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Parallelism - textura.org/michael_blake_perimeters.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  395
                                           'genre'  electronic
                                        'filesize'  15838520
                                           'mtime'  1636913262
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Parallelism textura.org michael_blake_perimeters electronic
                                      'tag_artist'  Michael Blake
                                     'tag_release'  Fulfillment
                                       'tag_title'  Perimeters
                                             'bpm'  87.0
                                    'search_title'  'perimeters':1
                                   'search_artist'  'blake':2 'michael':1
                                  'search_release'  'fulfillment':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'blake':8 'electronic':10 'michael':7 'org':5 'parallelism':3 'perimeters':9 'textura':4 'texturaorg':6
                                    'search_combo'  '00calmer':6 '00poprockelectronic':5 'blake':3B,12 'electronic':14 'fulfillment':4C 'michael':2B,11 'org':9 'parallelism':7 'perimeters':1A,13 'textura':8 'texturaorg':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['saxophone', 'jazz', 'free jazz', 'instrumental', 'post-bop']
                                        'tag_date'  2016
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1636913262.1734788  (2021-11-14 19:07:42)
                             'size'  15838520