======================== unified (from filesystem) ========================
                                         'bitrate'  '227.594'
                                        'duration'  '267'
                                          'artist'  'The Knife'
                                     'text_people'  ''
                                         'release'  'Take My Breath Away Incl Mylo Remix Vinyl'
                                           'title'  'Take My Breath Away'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['swedish', 'electronica', 'poptron', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '137.013'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Take My Breath Away Incl Mylo Remix Vinyl'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Take My Breath Away'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Knife'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['swedish', 'electronica', 'poptron', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.61 dB'
'TXXX:replaygain_track_peak'                        '0.731307'

========================== row from database ==========================
                                              'id'  1456127
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Knife/Take My Breath Away REMIX/02-the_knife-take_my_breath_away__original-usf.mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  267
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  7604151
                                           'mtime'  1628353762
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic REMIX 02 the_knife take_my_breath_away__original usf electronic we electropop or synthpop
                                      'tag_artist'  The Knife
                                     'tag_release'  Take My Breath Away Incl Mylo Remix Vinyl
                                       'tag_title'  Take My Breath Away
                                             'bpm'  137.013
                                    'search_title'  'away':4 'breath':3 'my':2 'take':1
                                   'search_artist'  'knife':2 'the':1
                                  'search_release'  'away':4 'breath':3 'incl':5 'my':2 'mylo':6 'remix':7 'take':1 'vinyl':8
                                     'search_rest'  '00poprockelectronic':1 'away':8 'breath':7 'electronic':11 'electropop':13 'knife':4 'my':6 'or':14 'original':9 'remix':2 'synthpop':15 'take':5 'the':3 'usf':10 'we':12
                                    'search_combo'  '00poprockelectronic':15 'away':4A,10C,22 'breath':3A,9C,21 'electronic':25 'electropop':27 'incl':11C 'knife':6B,18 'my':2A,8C,20 'mylo':12C 'or':28 'original':23 'remix':13C,16 'synthpop':29 'take':1A,7C,19 'the':5B,17 'usf':24 'vinyl':14C 'we':26
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'electronica', 'poptron', 'electronic', 'synthpop']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1628353761.732173  (2021-08-07 18:29:21)
                             'size'  7604151