======================== unified (from filesystem) ========================
                                         'bitrate'  '148.024'
                                        'duration'  '400'
                                          'artist'  'Dan Hartman'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Instant Replay (12 Inch)'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'american', 'pop', 'disco', 'soft rock', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '129.4'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '129.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Instant Replay (12 Inch)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dan Hartman'
'TXXX:Mp3gain_minmax'                               '141,193'
'TXXX:Mp3gain_undo'                                 '+001,+001,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:lastfmtags'                                   ['dance', 'american', 'pop', 'disco', 'soft rock', '80s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.855968'

========================== row from database ==========================
                                              'id'  1534024
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Dan Hartman - Instant Replay (12 Inch).mp3
                                         'working'  None
                                         'bitrate'  148
                                    'duration_sec'  400
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6298138
                                           'mtime'  1620569088
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s electronic we disco or italo
                                      'tag_artist'  Dan Hartman
                                     'tag_release'  None
                                       'tag_title'  Instant Replay (12 Inch)
                                             'bpm'  129.4
                                    'search_title'  '12':3,4 'inch':5,6 'instant':1 'replay':2
                                   'search_artist'  'dan':1 'hartman':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'disco':2 'electronic':7 'italo':10 'or':9 's':4,6 'we':8
                                    'search_combo'  '00poprockelectronic':9 '12':3A,4A '70':11 '80':13 'dan':7B 'disco':10 'electronic':15 'hartman':8B 'inch':5A,6A 'instant':1A 'italo':18 'or':17 'replay':2A 's':12,14 'we':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'american', 'pop', 'disco', 'soft rock', '80s']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569088.420674  (2021-05-09 16:04:48)
                             'size'  6298138