======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '286'
                                          'artist'  'Babylon Zoo'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Spaceman (2)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'electronica', 'space rock', 'rock', 'alternative', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145.790'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Spaceman (2)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Babylon Zoo'
'TXXX:Mp3gain_minmax'                               '099,189'
'TXXX:Mp3gain_undo'                                 '+004,+004,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:lastfmtags'                                   ['90s', 'electronica', 'space rock', 'rock', 'alternative', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.568286'

========================== row from database ==========================
                                              'id'  1289476
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Babylon Zoo - Spaceman (2).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  286
                                           'genre'  electronic-unsorted
                                        'filesize'  4016810
                                           'mtime'  1678464199
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] electronic unsorted
                                      'tag_artist'  Babylon Zoo
                                     'tag_release'  None
                                       'tag_title'  Spaceman (2)
                                             'bpm'  145.79
                                    'search_title'  '2':2,3 'spaceman':1
                                   'search_artist'  'babylon':1 'zoo':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 '2':2A,3A 'babylon':4B 'electronic':12 'files':10,11 'loose':8,9 'spaceman':1A 'unsorted':7 'zoo':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['90s', 'electronica', 'space rock', 'rock', 'alternative', 'electronic']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678464198.6445546  (2023-03-10 17:03:18)
                             'size'  4016810