======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '339'
                                          'artist'  'Arnold Schwarzenegger'
                                     'text_people'  'Bubba Knight/G. Knight/Joey Gallo/Rick Smith/Sam Dees'
                                         'release'  'Music for Maniacs'
                                           'title'  'Gladys Knight and The Pips - Save The Overtime For Me'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-2', 'q-other-1', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['workout music', 'better than radiohead', '80s', 'spoken word', "
 "'experimental']")
                                     'discogstags'  ("['spoken word', 'pop', 'score', 'stage & screen', 'interview', 'funk / "
 "soul', 'non-music', 'ballad']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '108.8'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '108.8'
'TCOM' (Composer)                                   'Bubba Knight/G. Knight/Joey Gallo/Rick Smith/Sam Dees'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Gladys Knight and The Pips - Save The Overtime For Me'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Arnold Schwarzenegger'
'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'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['spoken word',
 'pop',
 'score',
 'stage & screen',
 'interview',
 'funk / soul',
 'non-music',
 'ballad']
'TXXX:lastfmtags'                                   ['workout music', 'better than radiohead', '80s', 'spoken word', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.81 dB'
'TXXX:replaygain_track_peak'                        '0.390501'

========================== row from database ==========================
                                              'id'  647963
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/01_-_Arnold_Schwarzenegger_-_Gladys_Knight_and_The_Pips_-_Save_The_Overtime_For_Me.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  339
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  8157064
                                           'mtime'  1636916196
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs 01_ _Arnold_Schwarzenegger_ _Gladys_Knight_and_The_Pips_ _Save_The_Overtime_For_Me electronic experimental oddness
                                      'tag_artist'  Arnold Schwarzenegger
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  Gladys Knight and The Pips - Save The Overtime For Me
                                             'bpm'  108.8
                                    'search_title'  'and':3 'for':8 'gladys':1 'knight':2 'me':9 'overtime':7 'pips':5 'save':6 'the':4
                                   'search_artist'  'arnold':1 'schwarzenegger':2
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  '01':3 'and':8 'arnold':4 'electronic':16 'experimental':17 'for':14 'gladys':6 'knight':7 'maniacs':2 'me':15 'music':1 'oddness':18 'overtime':13 'pips':10 'save':11 'schwarzenegger':5 'the':9,12
                                    'search_combo'  '01':17 'and':3A,22 'arnold':10B,18 'electronic':30 'experimental':31 'for':8A,13C,28 'gladys':1A,20 'knight':2A,21 'maniacs':14C,16 'me':9A,29 'music':12C,15 'oddness':32 'overtime':7A,27 'pips':5A,24 'save':6A,25 'schwarzenegger':11B,19 'the':4A,23,26
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['workout music', 'better than radiohead', '80s', 'spoken word', 'experimental']
                                        'tag_date'  1983
                                     'discogstags'  ['spoken word', 'pop', 'score', 'stage & screen', 'interview', 'funk / soul', 'non-music', 'ballad']

============================== file details ==============================
                                           'mtime'  1636916195.992875  (2021-11-14 19:56:35)
                             'size'  8157064