======================== unified (from filesystem) ========================
                                         'bitrate'  '253.584'
                                        'duration'  '239'
                                          'artist'  'Johnny Ola'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'A Dream Lost In Space'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['queue', '10s', 'new retro wave', 'synthwave', 'outrun']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '82'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthwave or chillwave or retrowave'
                                             'bpm'  '120.9'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '120.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-synthwave or chillwave or retrowave'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'A Dream Lost In Space'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Ola'
'TRCK' (Track number/Position in set)               '82'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Software'                                     'Lavf58.2.100'
'TXXX:lastfmtags'                                   ['queue', '10s', 'new retro wave', 'synthwave', 'outrun']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.34 dB'
'TXXX:replaygain_track_peak'                        '0.524681'

========================== row from database ==========================
                                              'id'  1340195
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/Don Dellpiero - Synthwave/Johnny_Ola_-_A_Dream_Lost_In_Space.mp3
                                         'working'  None
                                         'bitrate'  253
                                    'duration_sec'  239
                                           'genre'  electronic-we-synthwave or chillwave or retrowave
                                        'filesize'  7587390
                                           'mtime'  1620608950
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave Don Dellpiero Synthwave Johnny_Ola_ _A_Dream_Lost_In_Space electronic we synthwave or chillwave or retrowave
                                      'tag_artist'  Johnny Ola
                                     'tag_release'  None
                                       'tag_title'  A Dream Lost In Space
                                             'bpm'  120.9
                                    'search_title'  'a':1 'dream':2 'in':4 'lost':3 'space':5
                                   'search_artist'  'johnny':1 'ola':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 'a':10 'chillwave':18 'dellpiero':6 'disco':3 'don':5 'dream':11 'electronic':15 'in':13 'johnny':8 'lost':12 'ola':9 'or':17 'retrowave':19 'space':14 'synthwave':7 'waves':2 'we':16
                                    'search_combo'  '00poprockelectronic':8 '00synthwave':11 'a':1A,17 'chillwave':25 'dellpiero':13 'disco':10 'don':12 'dream':2A,18 'electronic':22 'in':4A,20 'johnny':6B,15 'lost':3A,19 'ola':7B,16 'or':24 'retrowave':26 'space':5A,21 'synthwave':14 'waves':9 'we':23
                                    'tag_tracknum'  82
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['queue', '10s', 'new retro wave', 'synthwave', 'outrun']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620608950.2388148  (2021-05-10 03:09:10)
                             'size'  7587390