======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '225'
                                          'artist'  'Biosphere'
                                     'text_people'  ''
                                         'release'  'soundtrack'
                                           'title'  'Rachel´s Wire'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'electronic', 'chillout', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '145.580'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'soundtrack'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'iTunes v2.0.4'
'TIT2' (Title/songname/content description)         'Rachel´s Wire'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Biosphere'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'chillout', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.949942'

========================== row from database ==========================
                                              'id'  149818
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Biosphere, Bleep/Biosphere/www_biosphere_no/03 - Rachels Wire - 1994.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  225
                                           'genre'  soundtrack-video
                                        'filesize'  5416342
                                           'mtime'  1642256356
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Biosphere, Bleep www_biosphere_no 03 Rachels 1994 video
                                      'tag_artist'  Biosphere
                                     'tag_release'  soundtrack
                                       'tag_title'  Rachel´s Wire
                                             'bpm'  145.58
                                    'search_title'  'rachel':1,3 's':2,4 'wire':5
                                   'search_artist'  'biosphere':1
                                  'search_release'  'soundtrack':1
                                     'search_rest'  '1994':8 'biosphere':1,2,5 'bleep':3 'no':6 'rachels':7 'video':9 'www':4
                                    'search_combo'  '1994':15 'biosphere':6B,8,9,12 'bleep':10 'no':13 'rachel':1A,3A 'rachels':14 's':2A,4A 'soundtrack':7C 'video':16 'wire':5A 'www':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', 'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronica', 'electronic', 'chillout', 'experimental', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1642256355.5669541  (2022-01-15 15:19:15)
                             'size'  5416342