======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '360'
                                          'artist'  'Dune'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Million Miles Away From Home'
                                           'quals'  ("['Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-HAP-4', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['dance', 'rave', 'electronic', 'happy hardcore', 'trance']"
                                     'discogstags'  "['electronic', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-happy hardcore'
                                             'bpm'  '85.345'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '85.345'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-happy hardcore'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Million Miles Away From Home'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dune'
'TXXX:Mp3gain_minmax'                               '105,188'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'drum n bass']
'TXXX:lastfmtags'                                   ['dance', 'rave', 'electronic', 'happy hardcore', 'trance']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.497510'

========================== row from database ==========================
                                              'id'  1348373
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Dune - Million Miles Away From Home.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  360
                                           'genre'  electronic-th-ent-happy hardcore
                                        'filesize'  5042709
                                           'mtime'  1620572790
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] electronic th ent happy hardcore
                                      'tag_artist'  Dune
                                     'tag_release'  None
                                       'tag_title'  Million Miles Away From Home
                                             'bpm'  85.345
                                    'search_title'  'away':3 'from':4 'home':5 'miles':2 'million':1
                                   'search_artist'  'dune':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'ent':9 'files':5,6 'happy':10 'hardcore':11 'loose':3,4 'th':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'away':3A 'dune':6B 'electronic':13 'ent':15 'files':11,12 'from':4A 'happy':16 'hardcore':17 'home':5A 'loose':9,10 'miles':2A 'million':1A 'th':14 'unsorted':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'rave', 'electronic', 'happy hardcore', 'trance']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1620572789.8533132  (2021-05-09 17:06:29)
                             'size'  5042709