======================== unified (from filesystem) ========================
                                         'bitrate'  '226.551'
                                        'duration'  '196'
                                          'artist'  'Starr, Edwin'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Twenty Five Miles'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soul', 'funk', 'motown', 'rhythm and blues', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '125.939'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '125.939'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Twenty Five Miles'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Starr, Edwin'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'funk', 'motown', 'rhythm and blues', '7soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.50 dB'
'TXXX:replaygain_track_peak'                        '0.427245'

========================== row from database ==========================
                                              'id'  1214607
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Soul/Starr, Edwin - Twenty Five Miles.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  196
                                           'genre'  funk or soul
                                        'filesize'  5578921
                                           'mtime'  1628357770
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Soul funk or soul
                                      'tag_artist'  Starr, Edwin
                                     'tag_release'  None
                                       'tag_title'  Twenty Five Miles
                                             'bpm'  125.939
                                    'search_title'  'five':2 'miles':3 'twenty':1
                                   'search_artist'  'edwin':3 'starr':1,2
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'funk':6 'jazz':1 'oldies':3 'or':7 'soul':5
                                    'search_combo'  'country':10 'edwin':6B 'exotica':8 'five':2A 'funk':12 'jazz':7 'miles':3A 'oldies':9 'or':13 'soul':11 'starr':4B,5B 'twenty':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'funk', 'motown', 'rhythm and blues', '7soul']
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357770.3762383  (2021-08-07 19:36:10)
                             'size'  5578921