======================== unified (from filesystem) ========================
                                         'bitrate'  '63.696'
                                        'duration'  '408'
                                          'artist'  'lindstrøm & christabelle'
                                     'text_people'  ''
                                         'release'  'Music (In My Mind)'
                                           'title'  'Music (In My Mind)'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'disco', 'norwegian', 'space-disco', 'balearic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '90.050'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music (In My Mind)'
'TBPM' (BPM (beats per minute))                     '90.050'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Music (In My Mind)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'lindstrøm & christabelle'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'disco', 'norwegian', 'space-disco', 'balearic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.64 dB'
'TXXX:replaygain_track_peak'                        '0.437193'

========================== row from database ==========================
                                              'id'  1285144
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01 Lindstrøm !26 Christabelle - Music (In My Mind).mp3
                                         'working'  None
                                         'bitrate'  63
                                    'duration_sec'  408
                                           'genre'  electronic-unsorted
                                        'filesize'  3252918
                                           'mtime'  1638556653
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 Lindstrøm !26 Christabelle electronic unsorted
                                      'tag_artist'  lindstrøm & christabelle
                                     'tag_release'  Music (In My Mind)
                                       'tag_title'  Music (In My Mind)
                                             'bpm'  90.05
                                    'search_title'  'in':2,3 'mind':5,6 'music':1 'my':4
                                   'search_artist'  'christabelle':3 'lindstrom':2 'lindstrøm':1
                                  'search_release'  'in':2,3 'mind':5,6 'music':1 'my':4
                                     'search_rest'  '00poprockelectronic':1 '26':9 'christabelle':10 'electronic':11 'files':5,6 'lindstrom':8 'lindstrøm':7 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '26':24 'christabelle':9B,25 'electronic':26 'files':20,21 'in':2A,3A,11C,12C 'lindstrom':8B,23 'lindstrøm':7B,22 'loose':18,19 'mind':5A,6A,14C,15C 'music':1A,10C 'my':4A,13C 'unsorted':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'disco', 'norwegian', 'space-disco', 'balearic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638556653.1965702  (2021-12-03 19:37:33)
                             'size'  3252918