======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '269'
                                          'artist'  'Tape Five'
                                     'text_people'  ''
                                         'release'  'Café del Mar, volumen catorce'
                                           'title'  'Longitude'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['smooth lounge', 'lounge chill', 'jazz', 'lounge electronic', 'lounge', "
 "'chillout']")
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '129.979'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Café del Mar, volumen catorce'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Longitude'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tape Five'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['smooth lounge',
 'lounge chill',
 'jazz',
 'lounge electronic',
 'lounge',
 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+8.40 dB'
'TXXX:replaygain_track_peak'                        '0.121796'

========================== row from database ==========================
                                              'id'  1346965
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/04 - TAPE FIVE - Longitude.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  269
                                           'genre'  electronic-unsorted
                                        'filesize'  5397336
                                           'mtime'  1620572562
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 04 TAPE FIVE electronic unsorted
                                      'tag_artist'  Tape Five
                                     'tag_release'  Café del Mar, volumen catorce
                                       'tag_title'  Longitude
                                             'bpm'  129.979
                                    'search_title'  'longitude':1
                                   'search_artist'  'five':2 'tape':1
                                  'search_release'  'cafe':1,2 'catorce':7 'del':3 'mar':4,5 'volumen':6
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'files':5,6 'five':8 'loose':3,4 'tape':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'cafe':4C,5C 'catorce':10C 'del':6C 'electronic':19 'files':15,16 'five':3B,18 'longitude':1A 'loose':13,14 'mar':7C,8C 'tape':2B,17 'unsorted':12 'volumen':9C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['smooth lounge', 'lounge chill', 'jazz', 'lounge electronic', 'lounge', 'chillout']
                                        'tag_date'  
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620572562.398773  (2021-05-09 17:02:42)
                             'size'  5397336