======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '283'
                                          'artist'  'Party Ben'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'nirvana vs. fisherspooner - smells like emerge'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['remix', 'mashup', 'bootleg', 'bastard pop', 'mash up', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '34'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'set-mashup or collage'
                                             'bpm'  '98.454'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '98.454'
'TCON' (Content type, a.k.a. Genre)                 'set-mashup or collage'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'nirvana vs. fisherspooner - smells like emerge'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Party Ben'
'TRCK' (Track number/Position in set)               '34'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['remix', 'mashup', 'bootleg', 'bastard pop', 'mash up', 'rock']
'TXXX:q-bass'                                       '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.506178'

========================== row from database ==========================
                                              'id'  714031
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0reuse/Party Ben__cifs7470.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  283
                                           'genre'  set-mashup or collage
                                        'filesize'  6803328
                                           'mtime'  1620348093
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0reuse Ben__cifs7470 set mashup or collage
                                      'tag_artist'  Party Ben
                                     'tag_release'  None
                                       'tag_title'  nirvana vs. fisherspooner - smells like emerge
                                             'bpm'  98.454
                                    'search_title'  'emerge':7 'fisherspooner':4 'like':6 'nirvana':1 'smells':5 'vs':2,3
                                   'search_artist'  'ben':2 'party':1
                                  'search_release'  
                                     'search_rest'  '0reuse':1 'ben':2 'cifs7470':3 'collage':7 'mashup':5 'or':6 'set':4
                                    'search_combo'  '0reuse':10 'ben':9B,11 'cifs7470':12 'collage':16 'emerge':7A 'fisherspooner':4A 'like':6A 'mashup':14 'nirvana':1A 'or':15 'party':8B 'set':13 'smells':5A 'vs':2A,3A
                                    'tag_tracknum'  34
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['remix', 'mashup', 'bootleg', 'bastard pop', 'mash up', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620348092.6615686  (2021-05-07 02:41:32)
                             'size'  6803328