======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '102'
                                          'artist'  'Single Gun Theory'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Still Closest to My Hear...'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['due south', 'electronica', 'feelgood', 'chillout', 'good stuff']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '119.900'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Still Closest to My Hear...'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Single Gun Theory'
'TRCK' (Track number/Position in set)               '12'
'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'                                   ['due south', 'electronica', 'feelgood', 'chillout', 'good stuff']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.45 dB'
'TXXX:replaygain_track_peak'                        '0.798468'

========================== row from database ==========================
                                              'id'  1285902
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Single Gun Theory/12. Still Closest To My Hear.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  102
                                           'genre'  electronic
                                        'filesize'  2452483
                                           'mtime'  1636913370
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 12. To electronic
                                      'tag_artist'  Single Gun Theory
                                     'tag_release'  None
                                       'tag_title'  Still Closest to My Hear...
                                             'bpm'  119.9
                                    'search_title'  'closest':2 'hear':5,6 'my':4 'still':1 'to':3
                                   'search_artist'  'gun':2 'single':1 'theory':3
                                  'search_release'  
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '12':3,4 'electronic':6 'to':5
                                    'search_combo'  '00calmer':11 '00poprockelectronic':10 '12':12,13 'closest':2A 'electronic':15 'gun':8B 'hear':5A,6A 'my':4A 'single':7B 'still':1A 'theory':9B 'to':3A,14
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6B
                                           '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-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['due south', 'electronica', 'feelgood', 'chillout', 'good stuff']
                                        'tag_date'  1994
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913370.2612412  (2021-11-14 19:09:30)
                             'size'  2452483