======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '227'
                                          'artist'  'Thievery Corporation'
                                     'text_people'  ''
                                         'release'  '?'
                                           'title'  'Ma ha'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '137.946'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '?'
'TBPM' (BPM (beats per minute))                     '137.946'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TIT2' (Title/songname/content description)         'Ma ha'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Thievery Corporation'
'TXXX:Mp3gain_minmax'                               '100,184'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'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:Tracknum'                                     '07'
'TXXX:lastfmtags'                                   ['lounge', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.53 dB'
'TXXX:replaygain_track_peak'                        '0.740516'

========================== row from database ==========================
                                              'id'  1295910
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Thievery Corporation/Sounds From The Thievery Hi-Fi/Thievery Corporation - Ma_ha - 07.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  227
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7291228
                                           'mtime'  1636910999
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip Sounds From The Hi Fi Ma_ha 07 electronic trip hop downtempo acid jazz
                                      'tag_artist'  Thievery Corporation
                                     'tag_release'  ?
                                       'tag_title'  Ma ha
                                             'bpm'  137.946
                                    'search_title'  'ha':2 'ma':1
                                   'search_artist'  'corporation':2 'thievery':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':14 'downtempo':13 'electronic':10 'fi':7 'from':4 'ha':9 'hi':6 'hop':12 'jazz':15 'ma':8 'sounds':3 'the':5 'trip':11
                                    'search_combo'  '00poprockelectronic':5 '00trip':6 'acid':18 'corporation':4B 'downtempo':17 'electronic':14 'fi':11 'from':8 'ha':2A,13 'hi':10 'hop':16 'jazz':19 'ma':1A,12 'sounds':7 'the':9 'thievery':3B 'trip':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910999.2309947  (2021-11-14 18:29:59)
                             'size'  7291228